Home / 208,720,521.52-288,003,074.88-119,398,263.76

Finding the Fourth Proportional to 208,720,521.52, 288,003,074.88 and 119,398,263.76

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Solution

The fourth proportional to 208,720,521.52, 288,003,074.88 and 119,398,263.76 is: 164,751,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,720,521.52 : 288,003,074.88 = 119,398,263.76 : x
  2. Step 2: Convert to fraction form
    208,720,521.52/288,003,074.88 = 119,398,263.76/x
  3. Step 3: Cross multiply
    208,720,521.52x = 288,003,074.88 × 119,398,263.76
  4. Step 4: Simplify right side
    208,720,521.52x = 34,387,067,098,213,272
  5. Step 5: Solve for x
    x = 34,387,067,098,213,272/208,720,521.52
  6. Step 6: Final answer
    x = 164,751,730.44

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1.5x scale

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.