Home / 141,804,054.20-212,706,081.30-121,396,719.80

Finding the Fourth Proportional to 141,804,054.20, 212,706,081.30 and 121,396,719.80

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Solution

The fourth proportional to 141,804,054.20, 212,706,081.30 and 121,396,719.80 is: 182,095,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804,054.20 : 212,706,081.30 = 121,396,719.80 : x
  2. Step 2: Convert to fraction form
    141,804,054.20/212,706,081.30 = 121,396,719.80/x
  3. Step 3: Cross multiply
    141,804,054.20x = 212,706,081.30 × 121,396,719.80
  4. Step 4: Simplify right side
    141,804,054.20x = 25,821,820,551,332,120
  5. Step 5: Solve for x
    x = 25,821,820,551,332,120/141,804,054.20
  6. Step 6: Final answer
    x = 182,095,079.70

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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.