Home / 57,096,397.14-78,793,091.87-30,990,908.04

Finding the Fourth Proportional to 57,096,397.14, 78,793,091.87 and 30,990,908.04

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Solution

The fourth proportional to 57,096,397.14, 78,793,091.87 and 30,990,908.04 is: 42,767,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,397.14 : 78,793,091.87 = 30,990,908.04 : x
  2. Step 2: Convert to fraction form
    57,096,397.14/78,793,091.87 = 30,990,908.04/x
  3. Step 3: Cross multiply
    57,096,397.14x = 78,793,091.87 × 30,990,908.04
  4. Step 4: Simplify right side
    57,096,397.14x = 2,441,869,464,175,487
  5. Step 5: Solve for x
    x = 2,441,869,464,175,487/57,096,397.14
  6. Step 6: Final answer
    x = 42,767,487.73

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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.