Home / 105,791,863.80-158,687,795.70-28,068,617.55

Finding the Fourth Proportional to 105,791,863.80, 158,687,795.70 and 28,068,617.55

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Solution

The fourth proportional to 105,791,863.80, 158,687,795.70 and 28,068,617.55 is: 42,102,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,791,863.80 : 158,687,795.70 = 28,068,617.55 : x
  2. Step 2: Convert to fraction form
    105,791,863.80/158,687,795.70 = 28,068,617.55/x
  3. Step 3: Cross multiply
    105,791,863.80x = 158,687,795.70 × 28,068,617.55
  4. Step 4: Simplify right side
    105,791,863.80x = 4,454,147,047,355,834.50
  5. Step 5: Solve for x
    x = 4,454,147,047,355,834.50/105,791,863.80
  6. Step 6: Final answer
    x = 42,102,926.33

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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.