Home / 261,964,556.20-392,948,000.70-67,862,182.60

Finding the Fourth Proportional to 261,964,556.20, 392,948,000.70 and 67,862,182.60

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Solution

The fourth proportional to 261,964,556.20, 392,948,000.70 and 67,862,182.60 is: 101,793,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,964,556.20 : 392,948,000.70 = 67,862,182.60 : x
  2. Step 2: Convert to fraction form
    261,964,556.20/392,948,000.70 = 67,862,182.60/x
  3. Step 3: Cross multiply
    261,964,556.20x = 392,948,000.70 × 67,862,182.60
  4. Step 4: Simplify right side
    261,964,556.20x = 26,666,308,975,808,324
  5. Step 5: Solve for x
    x = 26,666,308,975,808,324/261,964,556.20
  6. Step 6: Final answer
    x = 101,793,576.06

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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.