Home / 154,607,699.25-231,406,833.02-113,656,299.21

Finding the Fourth Proportional to 154,607,699.25, 231,406,833.02 and 113,656,299.21

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Solution

The fourth proportional to 154,607,699.25, 231,406,833.02 and 113,656,299.21 is: 170,113,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,607,699.25 : 231,406,833.02 = 113,656,299.21 : x
  2. Step 2: Convert to fraction form
    154,607,699.25/231,406,833.02 = 113,656,299.21/x
  3. Step 3: Cross multiply
    154,607,699.25x = 231,406,833.02 × 113,656,299.21
  4. Step 4: Simplify right side
    154,607,699.25x = 26,300,844,253,520,092
  5. Step 5: Solve for x
    x = 26,300,844,253,520,092/154,607,699.25
  6. Step 6: Final answer
    x = 170,113,418.55

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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.