Home / 66,480,531.89-91,077,903.85-63,994,469.54

Finding the Fourth Proportional to 66,480,531.89, 91,077,903.85 and 63,994,469.54

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Solution

The fourth proportional to 66,480,531.89, 91,077,903.85 and 63,994,469.54 is: 87,672,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,531.89 : 91,077,903.85 = 63,994,469.54 : x
  2. Step 2: Convert to fraction form
    66,480,531.89/91,077,903.85 = 63,994,469.54/x
  3. Step 3: Cross multiply
    66,480,531.89x = 91,077,903.85 × 63,994,469.54
  4. Step 4: Simplify right side
    66,480,531.89x = 5,828,482,143,080,497
  5. Step 5: Solve for x
    x = 5,828,482,143,080,497/66,480,531.89
  6. Step 6: Final answer
    x = 87,672,014.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.