Home / 54,259,411.20-81,389,116.80-50,102,361.60

Finding the Fourth Proportional to 54,259,411.20, 81,389,116.80 and 50,102,361.60

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Solution

The fourth proportional to 54,259,411.20, 81,389,116.80 and 50,102,361.60 is: 75,153,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259,411.20 : 81,389,116.80 = 50,102,361.60 : x
  2. Step 2: Convert to fraction form
    54,259,411.20/81,389,116.80 = 50,102,361.60/x
  3. Step 3: Cross multiply
    54,259,411.20x = 81,389,116.80 × 50,102,361.60
  4. Step 4: Simplify right side
    54,259,411.20x = 4,077,786,960,218,235
  5. Step 5: Solve for x
    x = 4,077,786,960,218,235/54,259,411.20
  6. Step 6: Final answer
    x = 75,153,542.40

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1.5x scale

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.