Home / 74,192,753.59-102,385,671.97-42,402,392.80

Finding the Fourth Proportional to 74,192,753.59, 102,385,671.97 and 42,402,392.80

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Solution

The fourth proportional to 74,192,753.59, 102,385,671.97 and 42,402,392.80 is: 58,515,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,192,753.59 : 102,385,671.97 = 42,402,392.80 : x
  2. Step 2: Convert to fraction form
    74,192,753.59/102,385,671.97 = 42,402,392.80/x
  3. Step 3: Cross multiply
    74,192,753.59x = 102,385,671.97 × 42,402,392.80
  4. Step 4: Simplify right side
    74,192,753.59x = 4,341,397,480,257,131.50
  5. Step 5: Solve for x
    x = 4,341,397,480,257,131.50/74,192,753.59
  6. Step 6: Final answer
    x = 58,515,114.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.