Home / 140,534,757.18-193,944,025.44-77,810,856.39

Finding the Fourth Proportional to 140,534,757.18, 193,944,025.44 and 77,810,856.39

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Solution

The fourth proportional to 140,534,757.18, 193,944,025.44 and 77,810,856.39 is: 107,382,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534,757.18 : 193,944,025.44 = 77,810,856.39 : x
  2. Step 2: Convert to fraction form
    140,534,757.18/193,944,025.44 = 77,810,856.39/x
  3. Step 3: Cross multiply
    140,534,757.18x = 193,944,025.44 × 77,810,856.39
  4. Step 4: Simplify right side
    140,534,757.18x = 15,090,950,711,210,346
  5. Step 5: Solve for x
    x = 15,090,950,711,210,346/140,534,757.18
  6. Step 6: Final answer
    x = 107,382,337.39

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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.