Home / 252,598,518.60-378,897,777.90-143,759,401.80

Finding the Fourth Proportional to 252,598,518.60, 378,897,777.90 and 143,759,401.80

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Solution

The fourth proportional to 252,598,518.60, 378,897,777.90 and 143,759,401.80 is: 215,639,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,598,518.60 : 378,897,777.90 = 143,759,401.80 : x
  2. Step 2: Convert to fraction form
    252,598,518.60/378,897,777.90 = 143,759,401.80/x
  3. Step 3: Cross multiply
    252,598,518.60x = 378,897,777.90 × 143,759,401.80
  4. Step 4: Simplify right side
    252,598,518.60x = 54,470,117,894,253,264
  5. Step 5: Solve for x
    x = 54,470,117,894,253,264/252,598,518.60
  6. Step 6: Final answer
    x = 215,639,102.70

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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.