Home / 81,678,200.10-122,517,300.15-81,678,200.10

Finding the Fourth Proportional to 81,678,200.10, 122,517,300.15 and 81,678,200.10

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Solution

The fourth proportional to 81,678,200.10, 122,517,300.15 and 81,678,200.10 is: 122,517,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,678,200.10 : 122,517,300.15 = 81,678,200.10 : x
  2. Step 2: Convert to fraction form
    81,678,200.10/122,517,300.15 = 81,678,200.10/x
  3. Step 3: Cross multiply
    81,678,200.10x = 122,517,300.15 × 81,678,200.10
  4. Step 4: Simplify right side
    81,678,200.10x = 10,006,992,557,363,460
  5. Step 5: Solve for x
    x = 10,006,992,557,363,460/81,678,200.10
  6. Step 6: Final answer
    x = 122,517,300.15

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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.