Home / 437,080,948.80-655,654,600.80-130,349,121.60

Finding the Fourth Proportional to 437,080,948.80, 655,654,600.80 and 130,349,121.60

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Solution

The fourth proportional to 437,080,948.80, 655,654,600.80 and 130,349,121.60 is: 195,533,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,080,948.80 : 655,654,600.80 = 130,349,121.60 : x
  2. Step 2: Convert to fraction form
    437,080,948.80/655,654,600.80 = 130,349,121.60/x
  3. Step 3: Cross multiply
    437,080,948.80x = 655,654,600.80 × 130,349,121.60
  4. Step 4: Simplify right side
    437,080,948.80x = 85,464,001,287,278,640
  5. Step 5: Solve for x
    x = 85,464,001,287,278,640/437,080,948.80
  6. Step 6: Final answer
    x = 195,533,576.84

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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.