Home / 272,153,368.80-408,230,053.20-260,815,960.80

Finding the Fourth Proportional to 272,153,368.80, 408,230,053.20 and 260,815,960.80

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Solution

The fourth proportional to 272,153,368.80, 408,230,053.20 and 260,815,960.80 is: 391,223,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153,368.80 : 408,230,053.20 = 260,815,960.80 : x
  2. Step 2: Convert to fraction form
    272,153,368.80/408,230,053.20 = 260,815,960.80/x
  3. Step 3: Cross multiply
    272,153,368.80x = 408,230,053.20 × 260,815,960.80
  4. Step 4: Simplify right side
    272,153,368.80x = 106,472,913,552,793,120
  5. Step 5: Solve for x
    x = 106,472,913,552,793,120/272,153,368.80
  6. Step 6: Final answer
    x = 391,223,941.20

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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.