Home / 206,832,142.55-285,426,035.01-112,744,229.45

Finding the Fourth Proportional to 206,832,142.55, 285,426,035.01 and 112,744,229.45

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Solution

The fourth proportional to 206,832,142.55, 285,426,035.01 and 112,744,229.45 is: 155,585,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,832,142.55 : 285,426,035.01 = 112,744,229.45 : x
  2. Step 2: Convert to fraction form
    206,832,142.55/285,426,035.01 = 112,744,229.45/x
  3. Step 3: Cross multiply
    206,832,142.55x = 285,426,035.01 × 112,744,229.45
  4. Step 4: Simplify right side
    206,832,142.55x = 32,180,138,381,607,452
  5. Step 5: Solve for x
    x = 32,180,138,381,607,452/206,832,142.55
  6. Step 6: Final answer
    x = 155,585,771.07

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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.