Home / 129,458,361.17-194,264,155.26-47,634,699.92

Finding the Fourth Proportional to 129,458,361.17, 194,264,155.26 and 47,634,699.92

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Solution

The fourth proportional to 129,458,361.17, 194,264,155.26 and 47,634,699.92 is: 71,480,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,458,361.17 : 194,264,155.26 = 47,634,699.92 : x
  2. Step 2: Convert to fraction form
    129,458,361.17/194,264,155.26 = 47,634,699.92/x
  3. Step 3: Cross multiply
    129,458,361.17x = 194,264,155.26 × 47,634,699.92
  4. Step 4: Simplify right side
    129,458,361.17x = 9,253,714,740,051,068
  5. Step 5: Solve for x
    x = 9,253,714,740,051,068/129,458,361.17
  6. Step 6: Final answer
    x = 71,480,240.10

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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.