Home / 90,153,785.30-135,253,993.12-52,793,952.36

Finding the Fourth Proportional to 90,153,785.30, 135,253,993.12 and 52,793,952.36

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Solution

The fourth proportional to 90,153,785.30, 135,253,993.12 and 52,793,952.36 is: 79,204,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153,785.30 : 135,253,993.12 = 52,793,952.36 : x
  2. Step 2: Convert to fraction form
    90,153,785.30/135,253,993.12 = 52,793,952.36/x
  3. Step 3: Cross multiply
    90,153,785.30x = 135,253,993.12 × 52,793,952.36
  4. Step 4: Simplify right side
    90,153,785.30x = 7,140,592,868,637,861
  5. Step 5: Solve for x
    x = 7,140,592,868,637,861/90,153,785.30
  6. Step 6: Final answer
    x = 79,204,581.87

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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.