Home / 103,253,553.18-154,834,880.31-54,720,035.94

Finding the Fourth Proportional to 103,253,553.18, 154,834,880.31 and 54,720,035.94

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Solution

The fourth proportional to 103,253,553.18, 154,834,880.31 and 54,720,035.94 is: 82,055,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253,553.18 : 154,834,880.31 = 54,720,035.94 : x
  2. Step 2: Convert to fraction form
    103,253,553.18/154,834,880.31 = 54,720,035.94/x
  3. Step 3: Cross multiply
    103,253,553.18x = 154,834,880.31 × 54,720,035.94
  4. Step 4: Simplify right side
    103,253,553.18x = 8,472,570,215,328,798
  5. Step 5: Solve for x
    x = 8,472,570,215,328,798/103,253,553.18
  6. Step 6: Final answer
    x = 82,055,967.61

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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.