Home / 103,964,756.64-156,036,714.48-72,074,447.52

Finding the Fourth Proportional to 103,964,756.64, 156,036,714.48 and 72,074,447.52

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Solution

The fourth proportional to 103,964,756.64, 156,036,714.48 and 72,074,447.52 is: 108,173,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,964,756.64 : 156,036,714.48 = 72,074,447.52 : x
  2. Step 2: Convert to fraction form
    103,964,756.64/156,036,714.48 = 72,074,447.52/x
  3. Step 3: Cross multiply
    103,964,756.64x = 156,036,714.48 × 72,074,447.52
  4. Step 4: Simplify right side
    103,964,756.64x = 11,246,259,988,981,982
  5. Step 5: Solve for x
    x = 11,246,259,988,981,982/103,964,756.64
  6. Step 6: Final answer
    x = 108,173,773.04

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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.