Home / 67,156,983.36-100,724,206.32-18,639,766.17

Finding the Fourth Proportional to 67,156,983.36, 100,724,206.32 and 18,639,766.17

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Solution

The fourth proportional to 67,156,983.36, 100,724,206.32 and 18,639,766.17 is: 27,956,521.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,983.36 : 100,724,206.32 = 18,639,766.17 : x
  2. Step 2: Convert to fraction form
    67,156,983.36/100,724,206.32 = 18,639,766.17/x
  3. Step 3: Cross multiply
    67,156,983.36x = 100,724,206.32 × 18,639,766.17
  4. Step 4: Simplify right side
    67,156,983.36x = 1,877,475,653,463,636.25
  5. Step 5: Solve for x
    x = 1,877,475,653,463,636.25/67,156,983.36
  6. Step 6: Final answer
    x = 27,956,521.56

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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.