Home / 261,613,310.67-392,476,265.46-130,526,080.47

Finding the Fourth Proportional to 261,613,310.67, 392,476,265.46 and 130,526,080.47

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Solution

The fourth proportional to 261,613,310.67, 392,476,265.46 and 130,526,080.47 is: 195,817,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,613,310.67 : 392,476,265.46 = 130,526,080.47 : x
  2. Step 2: Convert to fraction form
    261,613,310.67/392,476,265.46 = 130,526,080.47/x
  3. Step 3: Cross multiply
    261,613,310.67x = 392,476,265.46 × 130,526,080.47
  4. Step 4: Simplify right side
    261,613,310.67x = 51,228,388,607,997,040
  5. Step 5: Solve for x
    x = 51,228,388,607,997,040/261,613,310.67
  6. Step 6: Final answer
    x = 195,817,210.05

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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.