Home / 129,458,359.67-194,264,153.01-47,634,698.41

Finding the Fourth Proportional to 129,458,359.67, 194,264,153.01 and 47,634,698.41

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Solution

The fourth proportional to 129,458,359.67, 194,264,153.01 and 47,634,698.41 is: 71,480,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,458,359.67 : 194,264,153.01 = 47,634,698.41 : x
  2. Step 2: Convert to fraction form
    129,458,359.67/194,264,153.01 = 47,634,698.41/x
  3. Step 3: Cross multiply
    129,458,359.67x = 194,264,153.01 × 47,634,698.41
  4. Step 4: Simplify right side
    129,458,359.67x = 9,253,714,340,019,782
  5. Step 5: Solve for x
    x = 9,253,714,340,019,782/129,458,359.67
  6. Step 6: Final answer
    x = 71,480,237.84

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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.