Home / 272,530,934.40-408,796,401.60-165,035,510.40

Finding the Fourth Proportional to 272,530,934.40, 408,796,401.60 and 165,035,510.40

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Solution

The fourth proportional to 272,530,934.40, 408,796,401.60 and 165,035,510.40 is: 247,553,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,530,934.40 : 408,796,401.60 = 165,035,510.40 : x
  2. Step 2: Convert to fraction form
    272,530,934.40/408,796,401.60 = 165,035,510.40/x
  3. Step 3: Cross multiply
    272,530,934.40x = 408,796,401.60 × 165,035,510.40
  4. Step 4: Simplify right side
    272,530,934.40x = 67,465,922,787,739,384
  5. Step 5: Solve for x
    x = 67,465,922,787,739,384/272,530,934.40
  6. Step 6: Final answer
    x = 247,553,265.60

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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.