Home / 211,347,092.34-316,860,753.15-138,582,191.70

Finding the Fourth Proportional to 211,347,092.34, 316,860,753.15 and 138,582,191.70

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Solution

The fourth proportional to 211,347,092.34, 316,860,753.15 and 138,582,191.70 is: 207,768,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,347,092.34 : 316,860,753.15 = 138,582,191.70 : x
  2. Step 2: Convert to fraction form
    211,347,092.34/316,860,753.15 = 138,582,191.70/x
  3. Step 3: Cross multiply
    211,347,092.34x = 316,860,753.15 × 138,582,191.70
  4. Step 4: Simplify right side
    211,347,092.34x = 43,911,257,635,239,672
  5. Step 5: Solve for x
    x = 43,911,257,635,239,672/211,347,092.34
  6. Step 6: Final answer
    x = 207,768,449.28

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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.