Home / 57,948,219.80-86,932,827.30-29,121,810.20

Finding the Fourth Proportional to 57,948,219.80, 86,932,827.30 and 29,121,810.20

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Solution

The fourth proportional to 57,948,219.80, 86,932,827.30 and 29,121,810.20 is: 43,687,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,948,219.80 : 86,932,827.30 = 29,121,810.20 : x
  2. Step 2: Convert to fraction form
    57,948,219.80/86,932,827.30 = 29,121,810.20/x
  3. Step 3: Cross multiply
    57,948,219.80x = 86,932,827.30 × 29,121,810.20
  4. Step 4: Simplify right side
    57,948,219.80x = 2,531,641,296,779,978.50
  5. Step 5: Solve for x
    x = 2,531,641,296,779,978.50/57,948,219.80
  6. Step 6: Final answer
    x = 43,687,990.86

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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.