Home / 54,019,677.48-81,029,723.88-13,079,048.40

Finding the Fourth Proportional to 54,019,677.48, 81,029,723.88 and 13,079,048.40

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Solution

The fourth proportional to 54,019,677.48, 81,029,723.88 and 13,079,048.40 is: 19,618,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019,677.48 : 81,029,723.88 = 13,079,048.40 : x
  2. Step 2: Convert to fraction form
    54,019,677.48/81,029,723.88 = 13,079,048.40/x
  3. Step 3: Cross multiply
    54,019,677.48x = 81,029,723.88 × 13,079,048.40
  4. Step 4: Simplify right side
    54,019,677.48x = 1,059,791,680,465,155.75
  5. Step 5: Solve for x
    x = 1,059,791,680,465,155.75/54,019,677.48
  6. Step 6: Final answer
    x = 19,618,622.88

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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.