Home / 261,677,793.60-392,516,690.40-164,822,671.35

Finding the Fourth Proportional to 261,677,793.60, 392,516,690.40 and 164,822,671.35

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Solution

The fourth proportional to 261,677,793.60, 392,516,690.40 and 164,822,671.35 is: 247,234,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,677,793.60 : 392,516,690.40 = 164,822,671.35 : x
  2. Step 2: Convert to fraction form
    261,677,793.60/392,516,690.40 = 164,822,671.35/x
  3. Step 3: Cross multiply
    261,677,793.60x = 392,516,690.40 × 164,822,671.35
  4. Step 4: Simplify right side
    261,677,793.60x = 64,695,649,461,188,896
  5. Step 5: Solve for x
    x = 64,695,649,461,188,896/261,677,793.60
  6. Step 6: Final answer
    x = 247,234,007.03

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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.