Home / 125,145,324.60-187,717,986.90-71,397,612.60

Finding the Fourth Proportional to 125,145,324.60, 187,717,986.90 and 71,397,612.60

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Solution

The fourth proportional to 125,145,324.60, 187,717,986.90 and 71,397,612.60 is: 107,096,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145,324.60 : 187,717,986.90 = 71,397,612.60 : x
  2. Step 2: Convert to fraction form
    125,145,324.60/187,717,986.90 = 71,397,612.60/x
  3. Step 3: Cross multiply
    125,145,324.60x = 187,717,986.90 × 71,397,612.60
  4. Step 4: Simplify right side
    125,145,324.60x = 13,402,616,106,738,074
  5. Step 5: Solve for x
    x = 13,402,616,106,738,074/125,145,324.60
  6. Step 6: Final answer
    x = 107,096,418.90

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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.