Home / 79,685,328.12-110,016,525.92-65,035,938.25

Finding the Fourth Proportional to 79,685,328.12, 110,016,525.92 and 65,035,938.25

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Solution

The fourth proportional to 79,685,328.12, 110,016,525.92 and 65,035,938.25 is: 89,791,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685,328.12 : 110,016,525.92 = 65,035,938.25 : x
  2. Step 2: Convert to fraction form
    79,685,328.12/110,016,525.92 = 65,035,938.25/x
  3. Step 3: Cross multiply
    79,685,328.12x = 110,016,525.92 × 65,035,938.25
  4. Step 4: Simplify right side
    79,685,328.12x = 7,155,027,986,024,986
  5. Step 5: Solve for x
    x = 7,155,027,986,024,986/79,685,328.12
  6. Step 6: Final answer
    x = 89,791,033.75

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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.