Home / 80,568,088.40-120,852,132.60-67,813,504.40

Finding the Fourth Proportional to 80,568,088.40, 120,852,132.60 and 67,813,504.40

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Solution

The fourth proportional to 80,568,088.40, 120,852,132.60 and 67,813,504.40 is: 101,720,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,568,088.40 : 120,852,132.60 = 67,813,504.40 : x
  2. Step 2: Convert to fraction form
    80,568,088.40/120,852,132.60 = 67,813,504.40/x
  3. Step 3: Cross multiply
    80,568,088.40x = 120,852,132.60 × 67,813,504.40
  4. Step 4: Simplify right side
    80,568,088.40x = 8,195,406,625,819,484
  5. Step 5: Solve for x
    x = 8,195,406,625,819,484/80,568,088.40
  6. Step 6: Final answer
    x = 101,720,256.60

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1.5x scale

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.