Home / 125,395,668.60-173,071,480.92-72,474,624.24

Finding the Fourth Proportional to 125,395,668.60, 173,071,480.92 and 72,474,624.24

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Solution

The fourth proportional to 125,395,668.60, 173,071,480.92 and 72,474,624.24 is: 100,029,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,395,668.60 : 173,071,480.92 = 72,474,624.24 : x
  2. Step 2: Convert to fraction form
    125,395,668.60/173,071,480.92 = 72,474,624.24/x
  3. Step 3: Cross multiply
    125,395,668.60x = 173,071,480.92 × 72,474,624.24
  4. Step 4: Simplify right side
    125,395,668.60x = 12,543,290,546,337,328
  5. Step 5: Solve for x
    x = 12,543,290,546,337,328/125,395,668.60
  6. Step 6: Final answer
    x = 100,029,695.49

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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.