Home / 66,434,286.70-99,651,430.05-40,792,149.10

Finding the Fourth Proportional to 66,434,286.70, 99,651,430.05 and 40,792,149.10

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Solution

The fourth proportional to 66,434,286.70, 99,651,430.05 and 40,792,149.10 is: 61,188,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,286.70 : 99,651,430.05 = 40,792,149.10 : x
  2. Step 2: Convert to fraction form
    66,434,286.70/99,651,430.05 = 40,792,149.10/x
  3. Step 3: Cross multiply
    66,434,286.70x = 99,651,430.05 × 40,792,149.10
  4. Step 4: Simplify right side
    66,434,286.70x = 4,064,995,992,627,820.50
  5. Step 5: Solve for x
    x = 4,064,995,992,627,820.50/66,434,286.70
  6. Step 6: Final answer
    x = 61,188,223.65

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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.