Home / 126,016,233.60-189,066,340.80-112,470,441.60

Finding the Fourth Proportional to 126,016,233.60, 189,066,340.80 and 112,470,441.60

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Solution

The fourth proportional to 126,016,233.60, 189,066,340.80 and 112,470,441.60 is: 168,743,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,233.60 : 189,066,340.80 = 112,470,441.60 : x
  2. Step 2: Convert to fraction form
    126,016,233.60/189,066,340.80 = 112,470,441.60/x
  3. Step 3: Cross multiply
    126,016,233.60x = 189,066,340.80 × 112,470,441.60
  4. Step 4: Simplify right side
    126,016,233.60x = 21,264,374,841,472,096
  5. Step 5: Solve for x
    x = 21,264,374,841,472,096/126,016,233.60
  6. Step 6: Final answer
    x = 168,743,139.15

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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.