Home / 272,153,519.80-408,230,279.70-260,816,111.80

Finding the Fourth Proportional to 272,153,519.80, 408,230,279.70 and 260,816,111.80

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Solution

The fourth proportional to 272,153,519.80, 408,230,279.70 and 260,816,111.80 is: 391,224,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153,519.80 : 408,230,279.70 = 260,816,111.80 : x
  2. Step 2: Convert to fraction form
    272,153,519.80/408,230,279.70 = 260,816,111.80/x
  3. Step 3: Cross multiply
    272,153,519.80x = 408,230,279.70 × 260,816,111.80
  4. Step 4: Simplify right side
    272,153,519.80x = 106,473,034,270,380,480
  5. Step 5: Solve for x
    x = 106,473,034,270,380,480/272,153,519.80
  6. Step 6: Final answer
    x = 391,224,167.70

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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.