Home / 65,787,450.64-90,787,757-36,017,602.16

Finding the Fourth Proportional to 65,787,450.64, 90,787,757 and 36,017,602.16

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Solution

The fourth proportional to 65,787,450.64, 90,787,757 and 36,017,602.16 is: 49,704,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787,450.64 : 90,787,757 = 36,017,602.16 : x
  2. Step 2: Convert to fraction form
    65,787,450.64/90,787,757 = 36,017,602.16/x
  3. Step 3: Cross multiply
    65,787,450.64x = 90,787,757 × 36,017,602.16
  4. Step 4: Simplify right side
    65,787,450.64x = 3,269,957,312,624,755
  5. Step 5: Solve for x
    x = 3,269,957,312,624,755/65,787,450.64
  6. Step 6: Final answer
    x = 49,704,879.59

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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.