Home / 148,907,768.10-223,543,610.55-84,256,548.90

Finding the Fourth Proportional to 148,907,768.10, 223,543,610.55 and 84,256,548.90

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Solution

The fourth proportional to 148,907,768.10, 223,543,610.55 and 84,256,548.90 is: 126,487,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,907,768.10 : 223,543,610.55 = 84,256,548.90 : x
  2. Step 2: Convert to fraction form
    148,907,768.10/223,543,610.55 = 84,256,548.90/x
  3. Step 3: Cross multiply
    148,907,768.10x = 223,543,610.55 × 84,256,548.90
  4. Step 4: Simplify right side
    148,907,768.10x = 18,835,013,153,588,632
  5. Step 5: Solve for x
    x = 18,835,013,153,588,632/148,907,768.10
  6. Step 6: Final answer
    x = 126,487,780.95

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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.