Home / 35,442,037.20-53,163,055.80-21,057,700.80

Finding the Fourth Proportional to 35,442,037.20, 53,163,055.80 and 21,057,700.80

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Solution

The fourth proportional to 35,442,037.20, 53,163,055.80 and 21,057,700.80 is: 31,586,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,442,037.20 : 53,163,055.80 = 21,057,700.80 : x
  2. Step 2: Convert to fraction form
    35,442,037.20/53,163,055.80 = 21,057,700.80/x
  3. Step 3: Cross multiply
    35,442,037.20x = 53,163,055.80 × 21,057,700.80
  4. Step 4: Simplify right side
    35,442,037.20x = 1,119,491,722,650,104.62
  5. Step 5: Solve for x
    x = 1,119,491,722,650,104.62/35,442,037.20
  6. Step 6: Final answer
    x = 31,586,551.20

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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.