Home / 134,568,290.88-185,704,316.12-72,688,630.04

Finding the Fourth Proportional to 134,568,290.88, 185,704,316.12 and 72,688,630.04

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Solution

The fourth proportional to 134,568,290.88, 185,704,316.12 and 72,688,630.04 is: 100,310,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,290.88 : 185,704,316.12 = 72,688,630.04 : x
  2. Step 2: Convert to fraction form
    134,568,290.88/185,704,316.12 = 72,688,630.04/x
  3. Step 3: Cross multiply
    134,568,290.88x = 185,704,316.12 × 72,688,630.04
  4. Step 4: Simplify right side
    134,568,290.88x = 13,498,592,331,277,890
  5. Step 5: Solve for x
    x = 13,498,592,331,277,890/134,568,290.88
  6. Step 6: Final answer
    x = 100,310,349.81

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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.