Home / 81,242,356.80-112,114,452.38-46,435,794.58

Finding the Fourth Proportional to 81,242,356.80, 112,114,452.38 and 46,435,794.58

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Solution

The fourth proportional to 81,242,356.80, 112,114,452.38 and 46,435,794.58 is: 64,081,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,356.80 : 112,114,452.38 = 46,435,794.58 : x
  2. Step 2: Convert to fraction form
    81,242,356.80/112,114,452.38 = 46,435,794.58/x
  3. Step 3: Cross multiply
    81,242,356.80x = 112,114,452.38 × 46,435,794.58
  4. Step 4: Simplify right side
    81,242,356.80x = 5,206,123,680,002,675
  5. Step 5: Solve for x
    x = 5,206,123,680,002,675/81,242,356.80
  6. Step 6: Final answer
    x = 64,081,396.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.