Home / 261,069,000.26-391,648,114.46-107,631,179.78

Finding the Fourth Proportional to 261,069,000.26, 391,648,114.46 and 107,631,179.78

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Solution

The fourth proportional to 261,069,000.26, 391,648,114.46 and 107,631,179.78 is: 161,465,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,069,000.26 : 391,648,114.46 = 107,631,179.78 : x
  2. Step 2: Convert to fraction form
    261,069,000.26/391,648,114.46 = 107,631,179.78/x
  3. Step 3: Cross multiply
    261,069,000.26x = 391,648,114.46 × 107,631,179.78
  4. Step 4: Simplify right side
    261,069,000.26x = 42,153,548,615,445,880
  5. Step 5: Solve for x
    x = 42,153,548,615,445,880/261,069,000.26
  6. Step 6: Final answer
    x = 161,465,162.75

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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.