Home / 383,579,686.80-575,425,517.40-124,750,861.20

Finding the Fourth Proportional to 383,579,686.80, 575,425,517.40 and 124,750,861.20

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Solution

The fourth proportional to 383,579,686.80, 575,425,517.40 and 124,750,861.20 is: 187,144,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,579,686.80 : 575,425,517.40 = 124,750,861.20 : x
  2. Step 2: Convert to fraction form
    383,579,686.80/575,425,517.40 = 124,750,861.20/x
  3. Step 3: Cross multiply
    383,579,686.80x = 575,425,517.40 × 124,750,861.20
  4. Step 4: Simplify right side
    383,579,686.80x = 71,784,828,852,105,584
  5. Step 5: Solve for x
    x = 71,784,828,852,105,584/383,579,686.80
  6. Step 6: Final answer
    x = 187,144,500.41

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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.