Home / 85,834,598.10-128,751,897.15-40,484,966.10

Finding the Fourth Proportional to 85,834,598.10, 128,751,897.15 and 40,484,966.10

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Solution

The fourth proportional to 85,834,598.10, 128,751,897.15 and 40,484,966.10 is: 60,727,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834,598.10 : 128,751,897.15 = 40,484,966.10 : x
  2. Step 2: Convert to fraction form
    85,834,598.10/128,751,897.15 = 40,484,966.10/x
  3. Step 3: Cross multiply
    85,834,598.10x = 128,751,897.15 × 40,484,966.10
  4. Step 4: Simplify right side
    85,834,598.10x = 5,212,516,191,428,437
  5. Step 5: Solve for x
    x = 5,212,516,191,428,437/85,834,598.10
  6. Step 6: Final answer
    x = 60,727,449.15

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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.