Home / 54,128,815.80-81,193,223.70-26,839,320.45

Finding the Fourth Proportional to 54,128,815.80, 81,193,223.70 and 26,839,320.45

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Solution

The fourth proportional to 54,128,815.80, 81,193,223.70 and 26,839,320.45 is: 40,258,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,815.80 : 81,193,223.70 = 26,839,320.45 : x
  2. Step 2: Convert to fraction form
    54,128,815.80/81,193,223.70 = 26,839,320.45/x
  3. Step 3: Cross multiply
    54,128,815.80x = 81,193,223.70 × 26,839,320.45
  4. Step 4: Simplify right side
    54,128,815.80x = 2,179,170,949,252,834.75
  5. Step 5: Solve for x
    x = 2,179,170,949,252,834.75/54,128,815.80
  6. Step 6: Final answer
    x = 40,258,980.68

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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.