Home / 148,021,985.44-204,272,759.28-81,039,826.72

Finding the Fourth Proportional to 148,021,985.44, 204,272,759.28 and 81,039,826.72

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Solution

The fourth proportional to 148,021,985.44, 204,272,759.28 and 81,039,826.72 is: 111,836,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021,985.44 : 204,272,759.28 = 81,039,826.72 : x
  2. Step 2: Convert to fraction form
    148,021,985.44/204,272,759.28 = 81,039,826.72/x
  3. Step 3: Cross multiply
    148,021,985.44x = 204,272,759.28 × 81,039,826.72
  4. Step 4: Simplify right side
    148,021,985.44x = 16,554,229,015,667,472
  5. Step 5: Solve for x
    x = 16,554,229,015,667,472/148,021,985.44
  6. Step 6: Final answer
    x = 111,836,285.44

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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.