Home / 80,464,004.70-120,696,007.05-57,957,150.30

Finding the Fourth Proportional to 80,464,004.70, 120,696,007.05 and 57,957,150.30

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Solution

The fourth proportional to 80,464,004.70, 120,696,007.05 and 57,957,150.30 is: 86,935,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,464,004.70 : 120,696,007.05 = 57,957,150.30 : x
  2. Step 2: Convert to fraction form
    80,464,004.70/120,696,007.05 = 57,957,150.30/x
  3. Step 3: Cross multiply
    80,464,004.70x = 120,696,007.05 × 57,957,150.30
  4. Step 4: Simplify right side
    80,464,004.70x = 6,995,196,621,206,709
  5. Step 5: Solve for x
    x = 6,995,196,621,206,709/80,464,004.70
  6. Step 6: Final answer
    x = 86,935,725.45

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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.