Home / 112,565,120.12-168,876,791.24-65,918,000.52

Finding the Fourth Proportional to 112,565,120.12, 168,876,791.24 and 65,918,000.52

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Solution

The fourth proportional to 112,565,120.12, 168,876,791.24 and 65,918,000.52 is: 98,894,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,565,120.12 : 168,876,791.24 = 65,918,000.52 : x
  2. Step 2: Convert to fraction form
    112,565,120.12/168,876,791.24 = 65,918,000.52/x
  3. Step 3: Cross multiply
    112,565,120.12x = 168,876,791.24 × 65,918,000.52
  4. Step 4: Simplify right side
    112,565,120.12x = 11,132,020,412,774,252
  5. Step 5: Solve for x
    x = 11,132,020,412,774,252/112,565,120.12
  6. Step 6: Final answer
    x = 98,894,048.18

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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.