Home / 115,776,246.30-173,664,369.45-72,694,095.90

Finding the Fourth Proportional to 115,776,246.30, 173,664,369.45 and 72,694,095.90

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Solution

The fourth proportional to 115,776,246.30, 173,664,369.45 and 72,694,095.90 is: 109,041,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776,246.30 : 173,664,369.45 = 72,694,095.90 : x
  2. Step 2: Convert to fraction form
    115,776,246.30/173,664,369.45 = 72,694,095.90/x
  3. Step 3: Cross multiply
    115,776,246.30x = 173,664,369.45 × 72,694,095.90
  4. Step 4: Simplify right side
    115,776,246.30x = 12,624,374,327,211,330
  5. Step 5: Solve for x
    x = 12,624,374,327,211,330/115,776,246.30
  6. Step 6: Final answer
    x = 109,041,143.85

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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.