Home / 268,326,027.10-402,489,040.65-86,573,205.10

Finding the Fourth Proportional to 268,326,027.10, 402,489,040.65 and 86,573,205.10

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Solution

The fourth proportional to 268,326,027.10, 402,489,040.65 and 86,573,205.10 is: 129,859,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,326,027.10 : 402,489,040.65 = 86,573,205.10 : x
  2. Step 2: Convert to fraction form
    268,326,027.10/402,489,040.65 = 86,573,205.10/x
  3. Step 3: Cross multiply
    268,326,027.10x = 402,489,040.65 × 86,573,205.10
  4. Step 4: Simplify right side
    268,326,027.10x = 34,844,766,266,694,684
  5. Step 5: Solve for x
    x = 34,844,766,266,694,684/268,326,027.10
  6. Step 6: Final answer
    x = 129,859,807.65

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Similar ratio
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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.