Home / 343,474,340.40-515,034,217.80-101,105,751.60

Finding the Fourth Proportional to 343,474,340.40, 515,034,217.80 and 101,105,751.60

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Solution

The fourth proportional to 343,474,340.40, 515,034,217.80 and 101,105,751.60 is: 151,606,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,474,340.40 : 515,034,217.80 = 101,105,751.60 : x
  2. Step 2: Convert to fraction form
    343,474,340.40/515,034,217.80 = 101,105,751.60/x
  3. Step 3: Cross multiply
    343,474,340.40x = 515,034,217.80 × 101,105,751.60
  4. Step 4: Simplify right side
    343,474,340.40x = 52,072,921,690,387,096
  5. Step 5: Solve for x
    x = 52,072,921,690,387,096/343,474,340.40
  6. Step 6: Final answer
    x = 151,606,439.16

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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.