Home / 126,176,446.60-189,190,020.30-65,710,270.60

Finding the Fourth Proportional to 126,176,446.60, 189,190,020.30 and 65,710,270.60

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Solution

The fourth proportional to 126,176,446.60, 189,190,020.30 and 65,710,270.60 is: 98,526,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,176,446.60 : 189,190,020.30 = 65,710,270.60 : x
  2. Step 2: Convert to fraction form
    126,176,446.60/189,190,020.30 = 65,710,270.60/x
  3. Step 3: Cross multiply
    126,176,446.60x = 189,190,020.30 × 65,710,270.60
  4. Step 4: Simplify right side
    126,176,446.60x = 12,431,727,428,732,494
  5. Step 5: Solve for x
    x = 12,431,727,428,732,494/126,176,446.60
  6. Step 6: Final answer
    x = 98,526,529.82

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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.