Home / 65,368,284-90,207,141.78-36,002,349.06

Finding the Fourth Proportional to 65,368,284, 90,207,141.78 and 36,002,349.06

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Solution

The fourth proportional to 65,368,284, 90,207,141.78 and 36,002,349.06 is: 49,682,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,368,284 : 90,207,141.78 = 36,002,349.06 : x
  2. Step 2: Convert to fraction form
    65,368,284/90,207,141.78 = 36,002,349.06/x
  3. Step 3: Cross multiply
    65,368,284x = 90,207,141.78 × 36,002,349.06
  4. Step 4: Simplify right side
    65,368,284x = 3,247,669,006,068,470
  5. Step 5: Solve for x
    x = 3,247,669,006,068,470/65,368,284
  6. Step 6: Final answer
    x = 49,682,641.30

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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.