Home / 107,673,812.32-148,589,105.12-58,781,240.32

Finding the Fourth Proportional to 107,673,812.32, 148,589,105.12 and 58,781,240.32

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Solution

The fourth proportional to 107,673,812.32, 148,589,105.12 and 58,781,240.32 is: 81,117,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,673,812.32 : 148,589,105.12 = 58,781,240.32 : x
  2. Step 2: Convert to fraction form
    107,673,812.32/148,589,105.12 = 58,781,240.32/x
  3. Step 3: Cross multiply
    107,673,812.32x = 148,589,105.12 × 58,781,240.32
  4. Step 4: Simplify right side
    107,673,812.32x = 8,734,251,896,992,463
  5. Step 5: Solve for x
    x = 8,734,251,896,992,463/107,673,812.32
  6. Step 6: Final answer
    x = 81,117,698.99

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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.