Home / 320,365,397.20-480,594,145.38-99,053,996.27

Finding the Fourth Proportional to 320,365,397.20, 480,594,145.38 and 99,053,996.27

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Solution

The fourth proportional to 320,365,397.20, 480,594,145.38 and 99,053,996.27 is: 148,595,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,365,397.20 : 480,594,145.38 = 99,053,996.27 : x
  2. Step 2: Convert to fraction form
    320,365,397.20/480,594,145.38 = 99,053,996.27/x
  3. Step 3: Cross multiply
    320,365,397.20x = 480,594,145.38 × 99,053,996.27
  4. Step 4: Simplify right side
    320,365,397.20x = 47,604,770,685,752,376
  5. Step 5: Solve for x
    x = 47,604,770,685,752,376/320,365,397.20
  6. Step 6: Final answer
    x = 148,595,232.51

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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.