Home / 129,494,741.20-194,242,111.80-100,584,350.80

Finding the Fourth Proportional to 129,494,741.20, 194,242,111.80 and 100,584,350.80

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Solution

The fourth proportional to 129,494,741.20, 194,242,111.80 and 100,584,350.80 is: 150,876,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,494,741.20 : 194,242,111.80 = 100,584,350.80 : x
  2. Step 2: Convert to fraction form
    129,494,741.20/194,242,111.80 = 100,584,350.80/x
  3. Step 3: Cross multiply
    129,494,741.20x = 194,242,111.80 × 100,584,350.80
  4. Step 4: Simplify right side
    129,494,741.20x = 19,537,716,713,424,020
  5. Step 5: Solve for x
    x = 19,537,716,713,424,020/129,494,741.20
  6. Step 6: Final answer
    x = 150,876,526.20

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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.