Home / 125,838,167.40-188,757,251.10-39,603,007.80

Finding the Fourth Proportional to 125,838,167.40, 188,757,251.10 and 39,603,007.80

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Solution

The fourth proportional to 125,838,167.40, 188,757,251.10 and 39,603,007.80 is: 59,404,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,838,167.40 : 188,757,251.10 = 39,603,007.80 : x
  2. Step 2: Convert to fraction form
    125,838,167.40/188,757,251.10 = 39,603,007.80/x
  3. Step 3: Cross multiply
    125,838,167.40x = 188,757,251.10 × 39,603,007.80
  4. Step 4: Simplify right side
    125,838,167.40x = 7,475,354,887,619,858
  5. Step 5: Solve for x
    x = 7,475,354,887,619,858/125,838,167.40
  6. Step 6: Final answer
    x = 59,404,511.70

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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.