Home / 81,466,052.78-122,187,573.86-26,126,696.76

Finding the Fourth Proportional to 81,466,052.78, 122,187,573.86 and 26,126,696.76

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Solution

The fourth proportional to 81,466,052.78, 122,187,573.86 and 26,126,696.76 is: 39,186,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,466,052.78 : 122,187,573.86 = 26,126,696.76 : x
  2. Step 2: Convert to fraction form
    81,466,052.78/122,187,573.86 = 26,126,696.76/x
  3. Step 3: Cross multiply
    81,466,052.78x = 122,187,573.86 × 26,126,696.76
  4. Step 4: Simplify right side
    81,466,052.78x = 3,192,357,689,949,689.50
  5. Step 5: Solve for x
    x = 3,192,357,689,949,689.50/81,466,052.78
  6. Step 6: Final answer
    x = 39,186,355.31

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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.