Home / 73,411,713.72-109,878,049.94-53,975,786.40

Finding the Fourth Proportional to 73,411,713.72, 109,878,049.94 and 53,975,786.40

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Solution

The fourth proportional to 73,411,713.72, 109,878,049.94 and 53,975,786.40 is: 80,787,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,411,713.72 : 109,878,049.94 = 53,975,786.40 : x
  2. Step 2: Convert to fraction form
    73,411,713.72/109,878,049.94 = 53,975,786.40/x
  3. Step 3: Cross multiply
    73,411,713.72x = 109,878,049.94 × 53,975,786.40
  4. Step 4: Simplify right side
    73,411,713.72x = 5,930,754,153,340,094
  5. Step 5: Solve for x
    x = 5,930,754,153,340,094/73,411,713.72
  6. Step 6: Final answer
    x = 80,787,572.62

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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.