Home / 72,578,961.44-108,830,640-34,230,178.88

Finding the Fourth Proportional to 72,578,961.44, 108,830,640 and 34,230,178.88

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Solution

The fourth proportional to 72,578,961.44, 108,830,640 and 34,230,178.88 is: 51,327,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578,961.44 : 108,830,640 = 34,230,178.88 : x
  2. Step 2: Convert to fraction form
    72,578,961.44/108,830,640 = 34,230,178.88/x
  3. Step 3: Cross multiply
    72,578,961.44x = 108,830,640 × 34,230,178.88
  4. Step 4: Simplify right side
    72,578,961.44x = 3,725,292,274,824,883.50
  5. Step 5: Solve for x
    x = 3,725,292,274,824,883.50/72,578,961.44
  6. Step 6: Final answer
    x = 51,327,439.81

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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.