Home / 144,008,324.46-198,732,011.76-77,928,816.06

Finding the Fourth Proportional to 144,008,324.46, 198,732,011.76 and 77,928,816.06

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Solution

The fourth proportional to 144,008,324.46, 198,732,011.76 and 77,928,816.06 is: 107,542,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,008,324.46 : 198,732,011.76 = 77,928,816.06 : x
  2. Step 2: Convert to fraction form
    144,008,324.46/198,732,011.76 = 77,928,816.06/x
  3. Step 3: Cross multiply
    144,008,324.46x = 198,732,011.76 × 77,928,816.06
  4. Step 4: Simplify right side
    144,008,324.46x = 15,486,950,389,678,796
  5. Step 5: Solve for x
    x = 15,486,950,389,678,796/144,008,324.46
  6. Step 6: Final answer
    x = 107,542,049.72

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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.