Home / 124,969,787.98-172,445,178.35-69,213,747.60

Finding the Fourth Proportional to 124,969,787.98, 172,445,178.35 and 69,213,747.60

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Solution

The fourth proportional to 124,969,787.98, 172,445,178.35 and 69,213,747.60 is: 95,507,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969,787.98 : 172,445,178.35 = 69,213,747.60 : x
  2. Step 2: Convert to fraction form
    124,969,787.98/172,445,178.35 = 69,213,747.60/x
  3. Step 3: Cross multiply
    124,969,787.98x = 172,445,178.35 × 69,213,747.60
  4. Step 4: Simplify right side
    124,969,787.98x = 11,935,577,049,326,918
  5. Step 5: Solve for x
    x = 11,935,577,049,326,918/124,969,787.98
  6. Step 6: Final answer
    x = 95,507,700.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.