Home / 195,720,873.92-293,534,957.41-72,956,821.94

Finding the Fourth Proportional to 195,720,873.92, 293,534,957.41 and 72,956,821.94

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Solution

The fourth proportional to 195,720,873.92, 293,534,957.41 and 72,956,821.94 is: 109,417,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,720,873.92 : 293,534,957.41 = 72,956,821.94 : x
  2. Step 2: Convert to fraction form
    195,720,873.92/293,534,957.41 = 72,956,821.94/x
  3. Step 3: Cross multiply
    195,720,873.92x = 293,534,957.41 × 72,956,821.94
  4. Step 4: Simplify right side
    195,720,873.92x = 21,415,377,620,787,556
  5. Step 5: Solve for x
    x = 21,415,377,620,787,556/195,720,873.92
  6. Step 6: Final answer
    x = 109,417,954.21

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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.