Home / 106,291,691.20-159,437,536.80-80,593,566.40

Finding the Fourth Proportional to 106,291,691.20, 159,437,536.80 and 80,593,566.40

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Solution

The fourth proportional to 106,291,691.20, 159,437,536.80 and 80,593,566.40 is: 120,890,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,291,691.20 : 159,437,536.80 = 80,593,566.40 : x
  2. Step 2: Convert to fraction form
    106,291,691.20/159,437,536.80 = 80,593,566.40/x
  3. Step 3: Cross multiply
    106,291,691.20x = 159,437,536.80 × 80,593,566.40
  4. Step 4: Simplify right side
    106,291,691.20x = 12,849,639,708,743,246
  5. Step 5: Solve for x
    x = 12,849,639,708,743,246/106,291,691.20
  6. Step 6: Final answer
    x = 120,890,349.60

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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.