Home / 57,947,655.80-86,931,981.30-29,121,246.20

Finding the Fourth Proportional to 57,947,655.80, 86,931,981.30 and 29,121,246.20

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Solution

The fourth proportional to 57,947,655.80, 86,931,981.30 and 29,121,246.20 is: 43,687,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947,655.80 : 86,931,981.30 = 29,121,246.20 : x
  2. Step 2: Convert to fraction form
    57,947,655.80/86,931,981.30 = 29,121,246.20/x
  3. Step 3: Cross multiply
    57,947,655.80x = 86,931,981.30 × 29,121,246.20
  4. Step 4: Simplify right side
    57,947,655.80x = 2,531,567,630,091,096
  5. Step 5: Solve for x
    x = 2,531,567,630,091,096/57,947,655.80
  6. Step 6: Final answer
    x = 43,687,144.81

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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.