Home / 82,959,010.60-124,438,515.90-71,612,271.40

Finding the Fourth Proportional to 82,959,010.60, 124,438,515.90 and 71,612,271.40

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Solution

The fourth proportional to 82,959,010.60, 124,438,515.90 and 71,612,271.40 is: 107,418,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,959,010.60 : 124,438,515.90 = 71,612,271.40 : x
  2. Step 2: Convert to fraction form
    82,959,010.60/124,438,515.90 = 71,612,271.40/x
  3. Step 3: Cross multiply
    82,959,010.60x = 124,438,515.90 × 71,612,271.40
  4. Step 4: Simplify right side
    82,959,010.60x = 8,911,324,773,244,016
  5. Step 5: Solve for x
    x = 8,911,324,773,244,016/82,959,010.60
  6. Step 6: Final answer
    x = 107,418,407.10

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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.