Home / 109,327,763.10-164,033,062.79-65,639,031.24

Finding the Fourth Proportional to 109,327,763.10, 164,033,062.79 and 65,639,031.24

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Solution

The fourth proportional to 109,327,763.10, 164,033,062.79 and 65,639,031.24 is: 98,483,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,327,763.10 : 164,033,062.79 = 65,639,031.24 : x
  2. Step 2: Convert to fraction form
    109,327,763.10/164,033,062.79 = 65,639,031.24/x
  3. Step 3: Cross multiply
    109,327,763.10x = 164,033,062.79 × 65,639,031.24
  4. Step 4: Simplify right side
    109,327,763.10x = 10,766,971,332,865,692
  5. Step 5: Solve for x
    x = 10,766,971,332,865,692/109,327,763.10
  6. Step 6: Final answer
    x = 98,483,413.80

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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.