Home / 82,644,522.40-123,928,476.09-30,815,208.84

Finding the Fourth Proportional to 82,644,522.40, 123,928,476.09 and 30,815,208.84

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Solution

The fourth proportional to 82,644,522.40, 123,928,476.09 and 30,815,208.84 is: 46,208,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,644,522.40 : 123,928,476.09 = 30,815,208.84 : x
  2. Step 2: Convert to fraction form
    82,644,522.40/123,928,476.09 = 30,815,208.84/x
  3. Step 3: Cross multiply
    82,644,522.40x = 123,928,476.09 × 30,815,208.84
  4. Step 4: Simplify right side
    82,644,522.40x = 3,818,881,872,285,471.50
  5. Step 5: Solve for x
    x = 3,818,881,872,285,471.50/82,644,522.40
  6. Step 6: Final answer
    x = 46,208,529.76

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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.