Home / 65,610,139.20-90,544,742.78-37,732,871.17

Finding the Fourth Proportional to 65,610,139.20, 90,544,742.78 and 37,732,871.17

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Solution

The fourth proportional to 65,610,139.20, 90,544,742.78 and 37,732,871.17 is: 52,072,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,139.20 : 90,544,742.78 = 37,732,871.17 : x
  2. Step 2: Convert to fraction form
    65,610,139.20/90,544,742.78 = 37,732,871.17/x
  3. Step 3: Cross multiply
    65,610,139.20x = 90,544,742.78 × 37,732,871.17
  4. Step 4: Simplify right side
    65,610,139.20x = 3,416,513,113,797,139.50
  5. Step 5: Solve for x
    x = 3,416,513,113,797,139.50/65,610,139.20
  6. Step 6: Final answer
    x = 52,072,944.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.