Home / 142,326,890.10-213,490,335.15-84,884,022.90

Finding the Fourth Proportional to 142,326,890.10, 213,490,335.15 and 84,884,022.90

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Solution

The fourth proportional to 142,326,890.10, 213,490,335.15 and 84,884,022.90 is: 127,326,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326,890.10 : 213,490,335.15 = 84,884,022.90 : x
  2. Step 2: Convert to fraction form
    142,326,890.10/213,490,335.15 = 84,884,022.90/x
  3. Step 3: Cross multiply
    142,326,890.10x = 213,490,335.15 × 84,884,022.90
  4. Step 4: Simplify right side
    142,326,890.10x = 18,121,918,497,801,276
  5. Step 5: Solve for x
    x = 18,121,918,497,801,276/142,326,890.10
  6. Step 6: Final answer
    x = 127,326,034.35

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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.