Home / 350,655,414.20-525,983,121.30-146,330,127.80

Finding the Fourth Proportional to 350,655,414.20, 525,983,121.30 and 146,330,127.80

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Solution

The fourth proportional to 350,655,414.20, 525,983,121.30 and 146,330,127.80 is: 219,495,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,655,414.20 : 525,983,121.30 = 146,330,127.80 : x
  2. Step 2: Convert to fraction form
    350,655,414.20/525,983,121.30 = 146,330,127.80/x
  3. Step 3: Cross multiply
    350,655,414.20x = 525,983,121.30 × 146,330,127.80
  4. Step 4: Simplify right side
    350,655,414.20x = 76,967,177,360,471,904
  5. Step 5: Solve for x
    x = 76,967,177,360,471,904/350,655,414.20
  6. Step 6: Final answer
    x = 219,495,191.70

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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.