Home / 69,669,686.72-96,144,868.68-38,309,389.76

Finding the Fourth Proportional to 69,669,686.72, 96,144,868.68 and 38,309,389.76

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Solution

The fourth proportional to 69,669,686.72, 96,144,868.68 and 38,309,389.76 is: 52,867,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669,686.72 : 96,144,868.68 = 38,309,389.76 : x
  2. Step 2: Convert to fraction form
    69,669,686.72/96,144,868.68 = 38,309,389.76/x
  3. Step 3: Cross multiply
    69,669,686.72x = 96,144,868.68 × 38,309,389.76
  4. Step 4: Simplify right side
    69,669,686.72x = 3,683,251,247,686,137
  5. Step 5: Solve for x
    x = 3,683,251,247,686,137/69,669,686.72
  6. Step 6: Final answer
    x = 52,867,343.33

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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.