Home / 126,048,086.40-189,072,129.60-107,908,233.60

Finding the Fourth Proportional to 126,048,086.40, 189,072,129.60 and 107,908,233.60

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Solution

The fourth proportional to 126,048,086.40, 189,072,129.60 and 107,908,233.60 is: 161,862,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,048,086.40 : 189,072,129.60 = 107,908,233.60 : x
  2. Step 2: Convert to fraction form
    126,048,086.40/189,072,129.60 = 107,908,233.60/x
  3. Step 3: Cross multiply
    126,048,086.40x = 189,072,129.60 × 107,908,233.60
  4. Step 4: Simplify right side
    126,048,086.40x = 20,402,439,528,126,272
  5. Step 5: Solve for x
    x = 20,402,439,528,126,272/126,048,086.40
  6. Step 6: Final answer
    x = 161,862,350.40

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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.