Home / 149,429,815.20-224,186,713.20-72,755,344.80

Finding the Fourth Proportional to 149,429,815.20, 224,186,713.20 and 72,755,344.80

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Solution

The fourth proportional to 149,429,815.20, 224,186,713.20 and 72,755,344.80 is: 109,153,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,429,815.20 : 224,186,713.20 = 72,755,344.80 : x
  2. Step 2: Convert to fraction form
    149,429,815.20/224,186,713.20 = 72,755,344.80/x
  3. Step 3: Cross multiply
    149,429,815.20x = 224,186,713.20 × 72,755,344.80
  4. Step 4: Simplify right side
    149,429,815.20x = 16,310,781,618,444,710
  5. Step 5: Solve for x
    x = 16,310,781,618,444,710/149,429,815.20
  6. Step 6: Final answer
    x = 109,153,461.75

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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.