Home / 105,948,233.40-158,922,350.10-91,587,516.60

Finding the Fourth Proportional to 105,948,233.40, 158,922,350.10 and 91,587,516.60

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Solution

The fourth proportional to 105,948,233.40, 158,922,350.10 and 91,587,516.60 is: 137,381,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948,233.40 : 158,922,350.10 = 91,587,516.60 : x
  2. Step 2: Convert to fraction form
    105,948,233.40/158,922,350.10 = 91,587,516.60/x
  3. Step 3: Cross multiply
    105,948,233.40x = 158,922,350.10 × 91,587,516.60
  4. Step 4: Simplify right side
    105,948,233.40x = 14,555,303,377,894,760
  5. Step 5: Solve for x
    x = 14,555,303,377,894,760/105,948,233.40
  6. Step 6: Final answer
    x = 137,381,274.90

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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.