Home / 123,553,515.63-185,341,044.74-40,530,375.59

Finding the Fourth Proportional to 123,553,515.63, 185,341,044.74 and 40,530,375.59

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Solution

The fourth proportional to 123,553,515.63, 185,341,044.74 and 40,530,375.59 is: 60,799,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,553,515.63 : 185,341,044.74 = 40,530,375.59 : x
  2. Step 2: Convert to fraction form
    123,553,515.63/185,341,044.74 = 40,530,375.59/x
  3. Step 3: Cross multiply
    123,553,515.63x = 185,341,044.74 × 40,530,375.59
  4. Step 4: Simplify right side
    123,553,515.63x = 7,511,942,154,425,838
  5. Step 5: Solve for x
    x = 7,511,942,154,425,838/123,553,515.63
  6. Step 6: Final answer
    x = 60,799,096.78

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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.