Home / 252,665,630.10-378,998,445.15-70,912,808.10

Finding the Fourth Proportional to 252,665,630.10, 378,998,445.15 and 70,912,808.10

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Solution

The fourth proportional to 252,665,630.10, 378,998,445.15 and 70,912,808.10 is: 106,369,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,665,630.10 : 378,998,445.15 = 70,912,808.10 : x
  2. Step 2: Convert to fraction form
    252,665,630.10/378,998,445.15 = 70,912,808.10/x
  3. Step 3: Cross multiply
    252,665,630.10x = 378,998,445.15 × 70,912,808.10
  4. Step 4: Simplify right side
    252,665,630.10x = 26,875,844,011,120,320
  5. Step 5: Solve for x
    x = 26,875,844,011,120,320/252,665,630.10
  6. Step 6: Final answer
    x = 106,369,212.15

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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.