Home / 252,227,711.10-378,341,566.65-148,490,427.90

Finding the Fourth Proportional to 252,227,711.10, 378,341,566.65 and 148,490,427.90

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Solution

The fourth proportional to 252,227,711.10, 378,341,566.65 and 148,490,427.90 is: 222,735,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,711.10 : 378,341,566.65 = 148,490,427.90 : x
  2. Step 2: Convert to fraction form
    252,227,711.10/378,341,566.65 = 148,490,427.90/x
  3. Step 3: Cross multiply
    252,227,711.10x = 378,341,566.65 × 148,490,427.90
  4. Step 4: Simplify right side
    252,227,711.10x = 56,180,101,124,214,872
  5. Step 5: Solve for x
    x = 56,180,101,124,214,872/252,227,711.10
  6. Step 6: Final answer
    x = 222,735,641.85

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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.