Home / 83,420,421.60-125,130,632.40-49,324,216.80

Finding the Fourth Proportional to 83,420,421.60, 125,130,632.40 and 49,324,216.80

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Solution

The fourth proportional to 83,420,421.60, 125,130,632.40 and 49,324,216.80 is: 73,986,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,420,421.60 : 125,130,632.40 = 49,324,216.80 : x
  2. Step 2: Convert to fraction form
    83,420,421.60/125,130,632.40 = 49,324,216.80/x
  3. Step 3: Cross multiply
    83,420,421.60x = 125,130,632.40 × 49,324,216.80
  4. Step 4: Simplify right side
    83,420,421.60x = 6,171,970,440,818,704
  5. Step 5: Solve for x
    x = 6,171,970,440,818,704/83,420,421.60
  6. Step 6: Final answer
    x = 73,986,325.20

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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.