Home / 90,422,651.77-135,462,836.68-53,423,896.11

Finding the Fourth Proportional to 90,422,651.77, 135,462,836.68 and 53,423,896.11

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Solution

The fourth proportional to 90,422,651.77, 135,462,836.68 and 53,423,896.11 is: 80,034,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,422,651.77 : 135,462,836.68 = 53,423,896.11 : x
  2. Step 2: Convert to fraction form
    90,422,651.77/135,462,836.68 = 53,423,896.11/x
  3. Step 3: Cross multiply
    90,422,651.77x = 135,462,836.68 × 53,423,896.11
  4. Step 4: Simplify right side
    90,422,651.77x = 7,236,952,513,216,915
  5. Step 5: Solve for x
    x = 7,236,952,513,216,915/90,422,651.77
  6. Step 6: Final answer
    x = 80,034,729.92

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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.