Home / 84,572,356.80-126,858,535.20-64,416,964.80

Finding the Fourth Proportional to 84,572,356.80, 126,858,535.20 and 64,416,964.80

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Solution

The fourth proportional to 84,572,356.80, 126,858,535.20 and 64,416,964.80 is: 96,625,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,572,356.80 : 126,858,535.20 = 64,416,964.80 : x
  2. Step 2: Convert to fraction form
    84,572,356.80/126,858,535.20 = 64,416,964.80/x
  3. Step 3: Cross multiply
    84,572,356.80x = 126,858,535.20 × 64,416,964.80
  4. Step 4: Simplify right side
    84,572,356.80x = 8,171,841,796,557,961
  5. Step 5: Solve for x
    x = 8,171,841,796,557,961/84,572,356.80
  6. Step 6: Final answer
    x = 96,625,447.20

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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.