Home / 134,614,134.81-185,781,785.23-78,906,360.96

Finding the Fourth Proportional to 134,614,134.81, 185,781,785.23 and 78,906,360.96

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Solution

The fourth proportional to 134,614,134.81, 185,781,785.23 and 78,906,360.96 is: 108,899,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,614,134.81 : 185,781,785.23 = 78,906,360.96 : x
  2. Step 2: Convert to fraction form
    134,614,134.81/185,781,785.23 = 78,906,360.96/x
  3. Step 3: Cross multiply
    134,614,134.81x = 185,781,785.23 × 78,906,360.96
  4. Step 4: Simplify right side
    134,614,134.81x = 14,659,364,605,151,574
  5. Step 5: Solve for x
    x = 14,659,364,605,151,574/134,614,134.81
  6. Step 6: Final answer
    x = 108,899,148.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.