Home / 65,836,111.15-90,855,883.83-36,470,176.21

Finding the Fourth Proportional to 65,836,111.15, 90,855,883.83 and 36,470,176.21

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Solution

The fourth proportional to 65,836,111.15, 90,855,883.83 and 36,470,176.21 is: 50,329,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,836,111.15 : 90,855,883.83 = 36,470,176.21 : x
  2. Step 2: Convert to fraction form
    65,836,111.15/90,855,883.83 = 36,470,176.21/x
  3. Step 3: Cross multiply
    65,836,111.15x = 90,855,883.83 × 36,470,176.21
  4. Step 4: Simplify right side
    65,836,111.15x = 3,313,530,092,995,389.50
  5. Step 5: Solve for x
    x = 3,313,530,092,995,389.50/65,836,111.15
  6. Step 6: Final answer
    x = 50,329,979.02

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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.