Home / 69,669,678.72-96,144,857.64-38,309,381.76

Finding the Fourth Proportional to 69,669,678.72, 96,144,857.64 and 38,309,381.76

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Solution

The fourth proportional to 69,669,678.72, 96,144,857.64 and 38,309,381.76 is: 52,867,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669,678.72 : 96,144,857.64 = 38,309,381.76 : x
  2. Step 2: Convert to fraction form
    69,669,678.72/96,144,857.64 = 38,309,381.76/x
  3. Step 3: Cross multiply
    69,669,678.72x = 96,144,857.64 × 38,309,381.76
  4. Step 4: Simplify right side
    69,669,678.72x = 3,683,250,055,591,612.50
  5. Step 5: Solve for x
    x = 3,683,250,055,591,612.50/69,669,678.72
  6. Step 6: Final answer
    x = 52,867,332.29

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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.