Home / 166,439,980.28-229,499,211.12-124,489,605.08

Finding the Fourth Proportional to 166,439,980.28, 229,499,211.12 and 124,489,605.08

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Solution

The fourth proportional to 166,439,980.28, 229,499,211.12 and 124,489,605.08 is: 171,655,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,439,980.28 : 229,499,211.12 = 124,489,605.08 : x
  2. Step 2: Convert to fraction form
    166,439,980.28/229,499,211.12 = 124,489,605.08/x
  3. Step 3: Cross multiply
    166,439,980.28x = 229,499,211.12 × 124,489,605.08
  4. Step 4: Simplify right side
    166,439,980.28x = 28,570,266,158,500,344
  5. Step 5: Solve for x
    x = 28,570,266,158,500,344/166,439,980.28
  6. Step 6: Final answer
    x = 171,655,068.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.