Home / 90,002,002.61-135,002,019.76-21,844,694.36

Finding the Fourth Proportional to 90,002,002.61, 135,002,019.76 and 21,844,694.36

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Solution

The fourth proportional to 90,002,002.61, 135,002,019.76 and 21,844,694.36 is: 32,766,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002,002.61 : 135,002,019.76 = 21,844,694.36 : x
  2. Step 2: Convert to fraction form
    90,002,002.61/135,002,019.76 = 21,844,694.36/x
  3. Step 3: Cross multiply
    90,002,002.61x = 135,002,019.76 × 21,844,694.36
  4. Step 4: Simplify right side
    90,002,002.61x = 2,949,077,859,696,581.50
  5. Step 5: Solve for x
    x = 2,949,077,859,696,581.50/90,002,002.61
  6. Step 6: Final answer
    x = 32,766,802.67

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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.