Home / 124,381,870.79-171,652,173.17-68,630,907.76

Finding the Fourth Proportional to 124,381,870.79, 171,652,173.17 and 68,630,907.76

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Solution

The fourth proportional to 124,381,870.79, 171,652,173.17 and 68,630,907.76 is: 94,713,517.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,381,870.79 : 171,652,173.17 = 68,630,907.76 : x
  2. Step 2: Convert to fraction form
    124,381,870.79/171,652,173.17 = 68,630,907.76/x
  3. Step 3: Cross multiply
    124,381,870.79x = 171,652,173.17 × 68,630,907.76
  4. Step 4: Simplify right side
    124,381,870.79x = 11,780,644,462,861,530
  5. Step 5: Solve for x
    x = 11,780,644,462,861,530/124,381,870.79
  6. Step 6: Final answer
    x = 94,713,517.24

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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.