Home / 65,221,984.16-90,006,630.40-35,855,205.68

Finding the Fourth Proportional to 65,221,984.16, 90,006,630.40 and 35,855,205.68

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Solution

The fourth proportional to 65,221,984.16, 90,006,630.40 and 35,855,205.68 is: 49,480,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221,984.16 : 90,006,630.40 = 35,855,205.68 : x
  2. Step 2: Convert to fraction form
    65,221,984.16/90,006,630.40 = 35,855,205.68/x
  3. Step 3: Cross multiply
    65,221,984.16x = 90,006,630.40 × 35,855,205.68
  4. Step 4: Simplify right side
    65,221,984.16x = 3,227,206,245,555,741
  5. Step 5: Solve for x
    x = 3,227,206,245,555,741/65,221,984.16
  6. Step 6: Final answer
    x = 49,480,344.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.