Home / 253,449,033.30-380,079,071.55-100,063,350.90

Finding the Fourth Proportional to 253,449,033.30, 380,079,071.55 and 100,063,350.90

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Solution

The fourth proportional to 253,449,033.30, 380,079,071.55 and 100,063,350.90 is: 150,057,725.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,449,033.30 : 380,079,071.55 = 100,063,350.90 : x
  2. Step 2: Convert to fraction form
    253,449,033.30/380,079,071.55 = 100,063,350.90/x
  3. Step 3: Cross multiply
    253,449,033.30x = 380,079,071.55 × 100,063,350.90
  4. Step 4: Simplify right side
    253,449,033.30x = 38,031,985,506,253,864
  5. Step 5: Solve for x
    x = 38,031,985,506,253,864/253,449,033.30
  6. Step 6: Final answer
    x = 150,057,725.65

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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.