Home / 128,760,001.80-193,140,002.70-123,737,884.35

Finding the Fourth Proportional to 128,760,001.80, 193,140,002.70 and 123,737,884.35

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Solution

The fourth proportional to 128,760,001.80, 193,140,002.70 and 123,737,884.35 is: 185,606,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,760,001.80 : 193,140,002.70 = 123,737,884.35 : x
  2. Step 2: Convert to fraction form
    128,760,001.80/193,140,002.70 = 123,737,884.35/x
  3. Step 3: Cross multiply
    128,760,001.80x = 193,140,002.70 × 123,737,884.35
  4. Step 4: Simplify right side
    128,760,001.80x = 23,898,735,317,451,284
  5. Step 5: Solve for x
    x = 23,898,735,317,451,284/128,760,001.80
  6. Step 6: Final answer
    x = 185,606,826.53

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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.