Home / 82,724,923.20-124,087,384.80-50,439,882.45

Finding the Fourth Proportional to 82,724,923.20, 124,087,384.80 and 50,439,882.45

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Solution

The fourth proportional to 82,724,923.20, 124,087,384.80 and 50,439,882.45 is: 75,659,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,724,923.20 : 124,087,384.80 = 50,439,882.45 : x
  2. Step 2: Convert to fraction form
    82,724,923.20/124,087,384.80 = 50,439,882.45/x
  3. Step 3: Cross multiply
    82,724,923.20x = 124,087,384.80 × 50,439,882.45
  4. Step 4: Simplify right side
    82,724,923.20x = 6,258,953,102,839,917
  5. Step 5: Solve for x
    x = 6,258,953,102,839,917/82,724,923.20
  6. Step 6: Final answer
    x = 75,659,823.68

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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.