Home / 52,488,101.20-78,732,151.80-47,705,132.20

Finding the Fourth Proportional to 52,488,101.20, 78,732,151.80 and 47,705,132.20

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Solution

The fourth proportional to 52,488,101.20, 78,732,151.80 and 47,705,132.20 is: 71,557,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,101.20 : 78,732,151.80 = 47,705,132.20 : x
  2. Step 2: Convert to fraction form
    52,488,101.20/78,732,151.80 = 47,705,132.20/x
  3. Step 3: Cross multiply
    52,488,101.20x = 78,732,151.80 × 47,705,132.20
  4. Step 4: Simplify right side
    52,488,101.20x = 3,755,927,710,009,468
  5. Step 5: Solve for x
    x = 3,755,927,710,009,468/52,488,101.20
  6. Step 6: Final answer
    x = 71,557,698.30

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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.