Home / 79,752,995-119,650,758.24-28,635,456.68

Finding the Fourth Proportional to 79,752,995, 119,650,758.24 and 28,635,456.68

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Solution

The fourth proportional to 79,752,995, 119,650,758.24 and 28,635,456.68 is: 42,960,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,752,995 : 119,650,758.24 = 28,635,456.68 : x
  2. Step 2: Convert to fraction form
    79,752,995/119,650,758.24 = 28,635,456.68/x
  3. Step 3: Cross multiply
    79,752,995x = 119,650,758.24 × 28,635,456.68
  4. Step 4: Simplify right side
    79,752,995x = 3,426,254,104,310,673
  5. Step 5: Solve for x
    x = 3,426,254,104,310,673/79,752,995
  6. Step 6: Final answer
    x = 42,960,820.52

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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.