Home / 112,921,621.20-169,382,431.80-110,654,139.60

Finding the Fourth Proportional to 112,921,621.20, 169,382,431.80 and 110,654,139.60

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Solution

The fourth proportional to 112,921,621.20, 169,382,431.80 and 110,654,139.60 is: 165,981,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921,621.20 : 169,382,431.80 = 110,654,139.60 : x
  2. Step 2: Convert to fraction form
    112,921,621.20/169,382,431.80 = 110,654,139.60/x
  3. Step 3: Cross multiply
    112,921,621.20x = 169,382,431.80 × 110,654,139.60
  4. Step 4: Simplify right side
    112,921,621.20x = 18,742,867,254,184,680
  5. Step 5: Solve for x
    x = 18,742,867,254,184,680/112,921,621.20
  6. Step 6: Final answer
    x = 165,981,209.40

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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.