Home / 73,921,181.80-101,999,898.12-42,553,167.38

Finding the Fourth Proportional to 73,921,181.80, 101,999,898.12 and 42,553,167.38

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Solution

The fourth proportional to 73,921,181.80, 101,999,898.12 and 42,553,167.38 is: 58,716,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921,181.80 : 101,999,898.12 = 42,553,167.38 : x
  2. Step 2: Convert to fraction form
    73,921,181.80/101,999,898.12 = 42,553,167.38/x
  3. Step 3: Cross multiply
    73,921,181.80x = 101,999,898.12 × 42,553,167.38
  4. Step 4: Simplify right side
    73,921,181.80x = 4,340,418,737,443,308
  5. Step 5: Solve for x
    x = 4,340,418,737,443,308/73,921,181.80
  6. Step 6: Final answer
    x = 58,716,847.21

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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.