Home / 101,040,493.38-139,435,602.78-56,385,988.08

Finding the Fourth Proportional to 101,040,493.38, 139,435,602.78 and 56,385,988.08

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Solution

The fourth proportional to 101,040,493.38, 139,435,602.78 and 56,385,988.08 is: 77,812,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040,493.38 : 139,435,602.78 = 56,385,988.08 : x
  2. Step 2: Convert to fraction form
    101,040,493.38/139,435,602.78 = 56,385,988.08/x
  3. Step 3: Cross multiply
    101,040,493.38x = 139,435,602.78 × 56,385,988.08
  4. Step 4: Simplify right side
    101,040,493.38x = 7,862,214,236,280,695
  5. Step 5: Solve for x
    x = 7,862,214,236,280,695/101,040,493.38
  6. Step 6: Final answer
    x = 77,812,508.36

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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.