Home / 273,748,500-377,679,929.04-156,189,376.80

Finding the Fourth Proportional to 273,748,500, 377,679,929.04 and 156,189,376.80

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Solution

The fourth proportional to 273,748,500, 377,679,929.04 and 156,189,376.80 is: 215,488,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,748,500 : 377,679,929.04 = 156,189,376.80 : x
  2. Step 2: Convert to fraction form
    273,748,500/377,679,929.04 = 156,189,376.80/x
  3. Step 3: Cross multiply
    273,748,500x = 377,679,929.04 × 156,189,376.80
  4. Step 4: Simplify right side
    273,748,500x = 58,989,592,746,625,832
  5. Step 5: Solve for x
    x = 58,989,592,746,625,832/273,748,500
  6. Step 6: Final answer
    x = 215,488,277.55

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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.