Home / 142,684,400.83-196,905,480.92-77,494,304.83

Finding the Fourth Proportional to 142,684,400.83, 196,905,480.92 and 77,494,304.83

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Solution

The fourth proportional to 142,684,400.83, 196,905,480.92 and 77,494,304.83 is: 106,942,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,684,400.83 : 196,905,480.92 = 77,494,304.83 : x
  2. Step 2: Convert to fraction form
    142,684,400.83/196,905,480.92 = 77,494,304.83/x
  3. Step 3: Cross multiply
    142,684,400.83x = 196,905,480.92 × 77,494,304.83
  4. Step 4: Simplify right side
    142,684,400.83x = 15,259,053,360,724,756
  5. Step 5: Solve for x
    x = 15,259,053,360,724,756/142,684,400.83
  6. Step 6: Final answer
    x = 106,942,688.00

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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.