Home / 80,931,546.39-121,398,427.06-26,344,362.94

Finding the Fourth Proportional to 80,931,546.39, 121,398,427.06 and 26,344,362.94

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Solution

The fourth proportional to 80,931,546.39, 121,398,427.06 and 26,344,362.94 is: 39,516,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,931,546.39 : 121,398,427.06 = 26,344,362.94 : x
  2. Step 2: Convert to fraction form
    80,931,546.39/121,398,427.06 = 26,344,362.94/x
  3. Step 3: Cross multiply
    80,931,546.39x = 121,398,427.06 × 26,344,362.94
  4. Step 4: Simplify right side
    80,931,546.39x = 3,198,164,222,985,531.50
  5. Step 5: Solve for x
    x = 3,198,164,222,985,531.50/80,931,546.39
  6. Step 6: Final answer
    x = 39,516,904.91

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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.