Home / 129,458,358.74-194,264,151.60-47,634,697.47

Finding the Fourth Proportional to 129,458,358.74, 194,264,151.60 and 47,634,697.47

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Solution

The fourth proportional to 129,458,358.74, 194,264,151.60 and 47,634,697.47 is: 71,480,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,458,358.74 : 194,264,151.60 = 47,634,697.47 : x
  2. Step 2: Convert to fraction form
    129,458,358.74/194,264,151.60 = 47,634,697.47/x
  3. Step 3: Cross multiply
    129,458,358.74x = 194,264,151.60 × 47,634,697.47
  4. Step 4: Simplify right side
    129,458,358.74x = 9,253,714,090,732,216
  5. Step 5: Solve for x
    x = 9,253,714,090,732,216/129,458,358.74
  6. Step 6: Final answer
    x = 71,480,236.43

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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.