Home / 225,241,353.12-337,989,839.76-121,609,178.40

Finding the Fourth Proportional to 225,241,353.12, 337,989,839.76 and 121,609,178.40

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Solution

The fourth proportional to 225,241,353.12, 337,989,839.76 and 121,609,178.40 is: 182,482,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,241,353.12 : 337,989,839.76 = 121,609,178.40 : x
  2. Step 2: Convert to fraction form
    225,241,353.12/337,989,839.76 = 121,609,178.40/x
  3. Step 3: Cross multiply
    225,241,353.12x = 337,989,839.76 × 121,609,178.40
  4. Step 4: Simplify right side
    225,241,353.12x = 41,102,666,720,761,256
  5. Step 5: Solve for x
    x = 41,102,666,720,761,256/225,241,353.12
  6. Step 6: Final answer
    x = 182,482,773.04

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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.