Home / 125,838,165.40-188,757,248.10-39,603,005.80

Finding the Fourth Proportional to 125,838,165.40, 188,757,248.10 and 39,603,005.80

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Solution

The fourth proportional to 125,838,165.40, 188,757,248.10 and 39,603,005.80 is: 59,404,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,838,165.40 : 188,757,248.10 = 39,603,005.80 : x
  2. Step 2: Convert to fraction form
    125,838,165.40/188,757,248.10 = 39,603,005.80/x
  3. Step 3: Cross multiply
    125,838,165.40x = 188,757,248.10 × 39,603,005.80
  4. Step 4: Simplify right side
    125,838,165.40x = 7,475,354,391,296,338
  5. Step 5: Solve for x
    x = 7,475,354,391,296,338/125,838,165.40
  6. Step 6: Final answer
    x = 59,404,508.70

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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.