Home / 57,158,979.81-78,862,014.03-32,375,228.79

Finding the Fourth Proportional to 57,158,979.81, 78,862,014.03 and 32,375,228.79

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Solution

The fourth proportional to 57,158,979.81, 78,862,014.03 and 32,375,228.79 is: 44,667,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158,979.81 : 78,862,014.03 = 32,375,228.79 : x
  2. Step 2: Convert to fraction form
    57,158,979.81/78,862,014.03 = 32,375,228.79/x
  3. Step 3: Cross multiply
    57,158,979.81x = 78,862,014.03 × 32,375,228.79
  4. Step 4: Simplify right side
    57,158,979.81x = 2,553,175,747,061,440
  5. Step 5: Solve for x
    x = 2,553,175,747,061,440/57,158,979.81
  6. Step 6: Final answer
    x = 44,667,972.65

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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.