Home / 291,500,069.43-402,270,114.86-159,341,589.46

Finding the Fourth Proportional to 291,500,069.43, 402,270,114.86 and 159,341,589.46

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Solution

The fourth proportional to 291,500,069.43, 402,270,114.86 and 159,341,589.46 is: 219,891,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,500,069.43 : 402,270,114.86 = 159,341,589.46 : x
  2. Step 2: Convert to fraction form
    291,500,069.43/402,270,114.86 = 159,341,589.46/x
  3. Step 3: Cross multiply
    291,500,069.43x = 402,270,114.86 × 159,341,589.46
  4. Step 4: Simplify right side
    291,500,069.43x = 64,098,359,494,049,168
  5. Step 5: Solve for x
    x = 64,098,359,494,049,168/291,500,069.43
  6. Step 6: Final answer
    x = 219,891,403.87

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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.