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Finding the Fourth Proportional to 91,937,220,012.20, 137,905,830,018.30 and 91,937,220,012.20

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Solution

The fourth proportional to 91,937,220,012.20, 137,905,830,018.30 and 91,937,220,012.20 is: 137,905,830,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937,220,012.20 : 137,905,830,018.30 = 91,937,220,012.20 : x
  2. Step 2: Convert to fraction form
    91,937,220,012.20/137,905,830,018.30 = 91,937,220,012.20/x
  3. Step 3: Cross multiply
    91,937,220,012.20x = 137,905,830,018.30 × 91,937,220,012.20
  4. Step 4: Simplify right side
    91,937,220,012.20x = 12,678,678,635,357,501,652,992
  5. Step 5: Solve for x
    x = 12,678,678,635,357,501,652,992/91,937,220,012.20
  6. Step 6: Final answer
    x = 137,905,830,018.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.