Home / 186,626,576.60-279,939,864.90-84,589,904.60

Finding the Fourth Proportional to 186,626,576.60, 279,939,864.90 and 84,589,904.60

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Solution

The fourth proportional to 186,626,576.60, 279,939,864.90 and 84,589,904.60 is: 126,884,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626,576.60 : 279,939,864.90 = 84,589,904.60 : x
  2. Step 2: Convert to fraction form
    186,626,576.60/279,939,864.90 = 84,589,904.60/x
  3. Step 3: Cross multiply
    186,626,576.60x = 279,939,864.90 × 84,589,904.60
  4. Step 4: Simplify right side
    186,626,576.60x = 23,680,086,465,627,884
  5. Step 5: Solve for x
    x = 23,680,086,465,627,884/186,626,576.60
  6. Step 6: Final answer
    x = 126,884,856.90

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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.