Home / 125,291,357.47-172,903,253.22-70,288,394.95

Finding the Fourth Proportional to 125,291,357.47, 172,903,253.22 and 70,288,394.95

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Solution

The fourth proportional to 125,291,357.47, 172,903,253.22 and 70,288,394.95 is: 96,998,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,291,357.47 : 172,903,253.22 = 70,288,394.95 : x
  2. Step 2: Convert to fraction form
    125,291,357.47/172,903,253.22 = 70,288,394.95/x
  3. Step 3: Cross multiply
    125,291,357.47x = 172,903,253.22 × 70,288,394.95
  4. Step 4: Simplify right side
    125,291,357.47x = 12,153,092,149,251,260
  5. Step 5: Solve for x
    x = 12,153,092,149,251,260/125,291,357.47
  6. Step 6: Final answer
    x = 96,998,646.95

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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.