Home / 79,415,418.10-119,123,127.15-52,205,638.90

Finding the Fourth Proportional to 79,415,418.10, 119,123,127.15 and 52,205,638.90

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Solution

The fourth proportional to 79,415,418.10, 119,123,127.15 and 52,205,638.90 is: 78,308,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415,418.10 : 119,123,127.15 = 52,205,638.90 : x
  2. Step 2: Convert to fraction form
    79,415,418.10/119,123,127.15 = 52,205,638.90/x
  3. Step 3: Cross multiply
    79,415,418.10x = 119,123,127.15 × 52,205,638.90
  4. Step 4: Simplify right side
    79,415,418.10x = 6,218,898,960,631,686
  5. Step 5: Solve for x
    x = 6,218,898,960,631,686/79,415,418.10
  6. Step 6: Final answer
    x = 78,308,458.35

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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.