Home / 88,921,921.05-122,709,615.47-49,231,220.73

Finding the Fourth Proportional to 88,921,921.05, 122,709,615.47 and 49,231,220.73

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Solution

The fourth proportional to 88,921,921.05, 122,709,615.47 and 49,231,220.73 is: 67,937,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921,921.05 : 122,709,615.47 = 49,231,220.73 : x
  2. Step 2: Convert to fraction form
    88,921,921.05/122,709,615.47 = 49,231,220.73/x
  3. Step 3: Cross multiply
    88,921,921.05x = 122,709,615.47 × 49,231,220.73
  4. Step 4: Simplify right side
    88,921,921.05x = 6,041,144,164,650,836
  5. Step 5: Solve for x
    x = 6,041,144,164,650,836/88,921,921.05
  6. Step 6: Final answer
    x = 67,937,625.43

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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.