Home / 82,680,303.97-123,937,085.71-51,996,811.87

Finding the Fourth Proportional to 82,680,303.97, 123,937,085.71 and 51,996,811.87

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Solution

The fourth proportional to 82,680,303.97, 123,937,085.71 and 51,996,811.87 is: 77,942,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,680,303.97 : 123,937,085.71 = 51,996,811.87 : x
  2. Step 2: Convert to fraction form
    82,680,303.97/123,937,085.71 = 51,996,811.87/x
  3. Step 3: Cross multiply
    82,680,303.97x = 123,937,085.71 × 51,996,811.87
  4. Step 4: Simplify right side
    82,680,303.97x = 6,444,333,329,378,935
  5. Step 5: Solve for x
    x = 6,444,333,329,378,935/82,680,303.97
  6. Step 6: Final answer
    x = 77,942,787.10

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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.