Home / 180,278,962.45-270,418,023.14-118,420,740.29

Finding the Fourth Proportional to 180,278,962.45, 270,418,023.14 and 118,420,740.29

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Solution

The fourth proportional to 180,278,962.45, 270,418,023.14 and 118,420,740.29 is: 177,630,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,278,962.45 : 270,418,023.14 = 118,420,740.29 : x
  2. Step 2: Convert to fraction form
    180,278,962.45/270,418,023.14 = 118,420,740.29/x
  3. Step 3: Cross multiply
    180,278,962.45x = 270,418,023.14 × 118,420,740.29
  4. Step 4: Simplify right side
    180,278,962.45x = 32,023,102,487,997,152
  5. Step 5: Solve for x
    x = 32,023,102,487,997,152/180,278,962.45
  6. Step 6: Final answer
    x = 177,630,834.20

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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.