Home / 191,194,380.20-286,791,132.84-81,948,714.68

Finding the Fourth Proportional to 191,194,380.20, 286,791,132.84 and 81,948,714.68

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Solution

The fourth proportional to 191,194,380.20, 286,791,132.84 and 81,948,714.68 is: 122,922,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,194,380.20 : 286,791,132.84 = 81,948,714.68 : x
  2. Step 2: Convert to fraction form
    191,194,380.20/286,791,132.84 = 81,948,714.68/x
  3. Step 3: Cross multiply
    191,194,380.20x = 286,791,132.84 × 81,948,714.68
  4. Step 4: Simplify right side
    191,194,380.20x = 23,502,164,717,859,136
  5. Step 5: Solve for x
    x = 23,502,164,717,859,136/191,194,380.20
  6. Step 6: Final answer
    x = 122,922,884.52

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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.