Home / 112,921,605.20-169,382,407.80-110,654,123.60

Finding the Fourth Proportional to 112,921,605.20, 169,382,407.80 and 110,654,123.60

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Solution

The fourth proportional to 112,921,605.20, 169,382,407.80 and 110,654,123.60 is: 165,981,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921,605.20 : 169,382,407.80 = 110,654,123.60 : x
  2. Step 2: Convert to fraction form
    112,921,605.20/169,382,407.80 = 110,654,123.60/x
  3. Step 3: Cross multiply
    112,921,605.20x = 169,382,407.80 × 110,654,123.60
  4. Step 4: Simplify right side
    112,921,605.20x = 18,742,861,888,366,804
  5. Step 5: Solve for x
    x = 18,742,861,888,366,804/112,921,605.20
  6. Step 6: Final answer
    x = 165,981,185.40

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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.