Home / 140,680,256.54-194,139,894.12-77,957,402.36

Finding the Fourth Proportional to 140,680,256.54, 194,139,894.12 and 77,957,402.36

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Solution

The fourth proportional to 140,680,256.54, 194,139,894.12 and 77,957,402.36 is: 107,581,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680,256.54 : 194,139,894.12 = 77,957,402.36 : x
  2. Step 2: Convert to fraction form
    140,680,256.54/194,139,894.12 = 77,957,402.36/x
  3. Step 3: Cross multiply
    140,680,256.54x = 194,139,894.12 × 77,957,402.36
  4. Step 4: Simplify right side
    140,680,256.54x = 15,134,641,840,040,638
  5. Step 5: Solve for x
    x = 15,134,641,840,040,638/140,680,256.54
  6. Step 6: Final answer
    x = 107,581,847.04

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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.