Home / 90,781,935.71-136,158,286.50-26,071,022.34

Finding the Fourth Proportional to 90,781,935.71, 136,158,286.50 and 26,071,022.34

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Solution

The fourth proportional to 90,781,935.71, 136,158,286.50 and 26,071,022.34 is: 39,102,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,781,935.71 : 136,158,286.50 = 26,071,022.34 : x
  2. Step 2: Convert to fraction form
    90,781,935.71/136,158,286.50 = 26,071,022.34/x
  3. Step 3: Cross multiply
    90,781,935.71x = 136,158,286.50 × 26,071,022.34
  4. Step 4: Simplify right side
    90,781,935.71x = 3,549,785,729,117,620.50
  5. Step 5: Solve for x
    x = 3,549,785,729,117,620.50/90,781,935.71
  6. Step 6: Final answer
    x = 39,102,335.74

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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.