Home / 125,500,525.39-173,137,002.01-78,375,786.27

Finding the Fourth Proportional to 125,500,525.39, 173,137,002.01 and 78,375,786.27

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Solution

The fourth proportional to 125,500,525.39, 173,137,002.01 and 78,375,786.27 is: 108,125,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500,525.39 : 173,137,002.01 = 78,375,786.27 : x
  2. Step 2: Convert to fraction form
    125,500,525.39/173,137,002.01 = 78,375,786.27/x
  3. Step 3: Cross multiply
    125,500,525.39x = 173,137,002.01 × 78,375,786.27
  4. Step 4: Simplify right side
    125,500,525.39x = 13,569,748,664,964,318
  5. Step 5: Solve for x
    x = 13,569,748,664,964,318/125,500,525.39
  6. Step 6: Final answer
    x = 108,125,034.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.