Home / 123,595,940.80-185,416,029.60-51,799,614.40

Finding the Fourth Proportional to 123,595,940.80, 185,416,029.60 and 51,799,614.40

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Solution

The fourth proportional to 123,595,940.80, 185,416,029.60 and 51,799,614.40 is: 77,708,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,595,940.80 : 185,416,029.60 = 51,799,614.40 : x
  2. Step 2: Convert to fraction form
    123,595,940.80/185,416,029.60 = 51,799,614.40/x
  3. Step 3: Cross multiply
    123,595,940.80x = 185,416,029.60 × 51,799,614.40
  4. Step 4: Simplify right side
    123,595,940.80x = 9,604,478,836,858,986
  5. Step 5: Solve for x
    x = 9,604,478,836,858,986/123,595,940.80
  6. Step 6: Final answer
    x = 77,708,691.52

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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.