Home / 148,933,472.80-223,400,209.20-39,758,432.80

Finding the Fourth Proportional to 148,933,472.80, 223,400,209.20 and 39,758,432.80

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Solution

The fourth proportional to 148,933,472.80, 223,400,209.20 and 39,758,432.80 is: 59,637,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,933,472.80 : 223,400,209.20 = 39,758,432.80 : x
  2. Step 2: Convert to fraction form
    148,933,472.80/223,400,209.20 = 39,758,432.80/x
  3. Step 3: Cross multiply
    148,933,472.80x = 223,400,209.20 × 39,758,432.80
  4. Step 4: Simplify right side
    148,933,472.80x = 8,882,042,204,984,141
  5. Step 5: Solve for x
    x = 8,882,042,204,984,141/148,933,472.80
  6. Step 6: Final answer
    x = 59,637,649.20

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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.