Home / 121,160,170.40-181,741,292.40-40,381,138.40

Finding the Fourth Proportional to 121,160,170.40, 181,741,292.40 and 40,381,138.40

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Solution

The fourth proportional to 121,160,170.40, 181,741,292.40 and 40,381,138.40 is: 60,572,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,160,170.40 : 181,741,292.40 = 40,381,138.40 : x
  2. Step 2: Convert to fraction form
    121,160,170.40/181,741,292.40 = 40,381,138.40/x
  3. Step 3: Cross multiply
    121,160,170.40x = 181,741,292.40 × 40,381,138.40
  4. Step 4: Simplify right side
    121,160,170.40x = 7,338,920,281,399,268
  5. Step 5: Solve for x
    x = 7,338,920,281,399,268/121,160,170.40
  6. Step 6: Final answer
    x = 60,572,053.15

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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.