Home / 101,411,995.20-152,117,992.80-61,101,211.20

Finding the Fourth Proportional to 101,411,995.20, 152,117,992.80 and 61,101,211.20

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Solution

The fourth proportional to 101,411,995.20, 152,117,992.80 and 61,101,211.20 is: 91,651,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,411,995.20 : 152,117,992.80 = 61,101,211.20 : x
  2. Step 2: Convert to fraction form
    101,411,995.20/152,117,992.80 = 61,101,211.20/x
  3. Step 3: Cross multiply
    101,411,995.20x = 152,117,992.80 × 61,101,211.20
  4. Step 4: Simplify right side
    101,411,995.20x = 9,294,593,605,392,880
  5. Step 5: Solve for x
    x = 9,294,593,605,392,880/101,411,995.20
  6. Step 6: Final answer
    x = 91,651,816.80

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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.