Home / 219,026,221.70-328,539,332.55-132,861,920.90

Finding the Fourth Proportional to 219,026,221.70, 328,539,332.55 and 132,861,920.90

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Solution

The fourth proportional to 219,026,221.70, 328,539,332.55 and 132,861,920.90 is: 199,292,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026,221.70 : 328,539,332.55 = 132,861,920.90 : x
  2. Step 2: Convert to fraction form
    219,026,221.70/328,539,332.55 = 132,861,920.90/x
  3. Step 3: Cross multiply
    219,026,221.70x = 328,539,332.55 × 132,861,920.90
  4. Step 4: Simplify right side
    219,026,221.70x = 43,650,366,813,796,896
  5. Step 5: Solve for x
    x = 43,650,366,813,796,896/219,026,221.70
  6. Step 6: Final answer
    x = 199,292,881.35

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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.