Home / 261,677,794.60-392,516,691.90-164,822,672.35

Finding the Fourth Proportional to 261,677,794.60, 392,516,691.90 and 164,822,672.35

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Solution

The fourth proportional to 261,677,794.60, 392,516,691.90 and 164,822,672.35 is: 247,234,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,677,794.60 : 392,516,691.90 = 164,822,672.35 : x
  2. Step 2: Convert to fraction form
    261,677,794.60/392,516,691.90 = 164,822,672.35/x
  3. Step 3: Cross multiply
    261,677,794.60x = 392,516,691.90 × 164,822,672.35
  4. Step 4: Simplify right side
    261,677,794.60x = 64,695,650,100,939,592
  5. Step 5: Solve for x
    x = 64,695,650,100,939,592/261,677,794.60
  6. Step 6: Final answer
    x = 247,234,008.53

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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.