Home / 100,676,850.64-138,944,715.24-61,541,535.76

Finding the Fourth Proportional to 100,676,850.64, 138,944,715.24 and 61,541,535.76

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Solution

The fourth proportional to 100,676,850.64, 138,944,715.24 and 61,541,535.76 is: 84,933,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,676,850.64 : 138,944,715.24 = 61,541,535.76 : x
  2. Step 2: Convert to fraction form
    100,676,850.64/138,944,715.24 = 61,541,535.76/x
  3. Step 3: Cross multiply
    100,676,850.64x = 138,944,715.24 × 61,541,535.76
  4. Step 4: Simplify right side
    100,676,850.64x = 8,550,871,161,605,477
  5. Step 5: Solve for x
    x = 8,550,871,161,605,477/100,676,850.64
  6. Step 6: Final answer
    x = 84,933,836.40

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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.