Home / 89,016,259.40-133,524,389.10-50,114,778.20

Finding the Fourth Proportional to 89,016,259.40, 133,524,389.10 and 50,114,778.20

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Solution

The fourth proportional to 89,016,259.40, 133,524,389.10 and 50,114,778.20 is: 75,172,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,016,259.40 : 133,524,389.10 = 50,114,778.20 : x
  2. Step 2: Convert to fraction form
    89,016,259.40/133,524,389.10 = 50,114,778.20/x
  3. Step 3: Cross multiply
    89,016,259.40x = 133,524,389.10 × 50,114,778.20
  4. Step 4: Simplify right side
    89,016,259.40x = 6,691,545,144,036,998
  5. Step 5: Solve for x
    x = 6,691,545,144,036,998/89,016,259.40
  6. Step 6: Final answer
    x = 75,172,167.30

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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.