Home / 281,252,225.44-388,123,853.52-155,804,024.32

Finding the Fourth Proportional to 281,252,225.44, 388,123,853.52 and 155,804,024.32

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Solution

The fourth proportional to 281,252,225.44, 388,123,853.52 and 155,804,024.32 is: 215,007,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,252,225.44 : 388,123,853.52 = 155,804,024.32 : x
  2. Step 2: Convert to fraction form
    281,252,225.44/388,123,853.52 = 155,804,024.32/x
  3. Step 3: Cross multiply
    281,252,225.44x = 388,123,853.52 × 155,804,024.32
  4. Step 4: Simplify right side
    281,252,225.44x = 60,471,258,313,002,192
  5. Step 5: Solve for x
    x = 60,471,258,313,002,192/281,252,225.44
  6. Step 6: Final answer
    x = 215,007,217.16

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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.