Home / 124,138,081.20-186,207,121.80-110,506,619.55

Finding the Fourth Proportional to 124,138,081.20, 186,207,121.80 and 110,506,619.55

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Solution

The fourth proportional to 124,138,081.20, 186,207,121.80 and 110,506,619.55 is: 165,759,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138,081.20 : 186,207,121.80 = 110,506,619.55 : x
  2. Step 2: Convert to fraction form
    124,138,081.20/186,207,121.80 = 110,506,619.55/x
  3. Step 3: Cross multiply
    124,138,081.20x = 186,207,121.80 × 110,506,619.55
  4. Step 4: Simplify right side
    124,138,081.20x = 20,577,119,566,253,112
  5. Step 5: Solve for x
    x = 20,577,119,566,253,112/124,138,081.20
  6. Step 6: Final answer
    x = 165,759,929.33

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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.