Home / 82,294,369.10-123,468,994.42-54,736,927.14

Finding the Fourth Proportional to 82,294,369.10, 123,468,994.42 and 54,736,927.14

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Solution

The fourth proportional to 82,294,369.10, 123,468,994.42 and 54,736,927.14 is: 82,123,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,294,369.10 : 123,468,994.42 = 54,736,927.14 : x
  2. Step 2: Convert to fraction form
    82,294,369.10/123,468,994.42 = 54,736,927.14/x
  3. Step 3: Cross multiply
    82,294,369.10x = 123,468,994.42 × 54,736,927.14
  4. Step 4: Simplify right side
    82,294,369.10x = 6,758,313,351,616,607
  5. Step 5: Solve for x
    x = 6,758,313,351,616,607/82,294,369.10
  6. Step 6: Final answer
    x = 82,123,642.55

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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.