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Finding the Fourth Proportional to 91,939,293,026.20, 137,908,939,539.30 and 91,939,293,026.20

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Solution

The fourth proportional to 91,939,293,026.20, 137,908,939,539.30 and 91,939,293,026.20 is: 137,908,939,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,939,293,026.20 : 137,908,939,539.30 = 91,939,293,026.20 : x
  2. Step 2: Convert to fraction form
    91,939,293,026.20/137,908,939,539.30 = 91,939,293,026.20/x
  3. Step 3: Cross multiply
    91,939,293,026.20x = 137,908,939,539.30 × 91,939,293,026.20
  4. Step 4: Simplify right side
    91,939,293,026.20x = 12,679,250,403,236,201,365,504
  5. Step 5: Solve for x
    x = 12,679,250,403,236,201,365,504/91,939,293,026.20
  6. Step 6: Final answer
    x = 137,908,939,539.30

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Double scale
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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.