Home / 66,480,508.89-91,077,872.38-63,994,446.56

Finding the Fourth Proportional to 66,480,508.89, 91,077,872.38 and 63,994,446.56

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Solution

The fourth proportional to 66,480,508.89, 91,077,872.38 and 63,994,446.56 is: 87,671,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480,508.89 : 91,077,872.38 = 63,994,446.56 : x
  2. Step 2: Convert to fraction form
    66,480,508.89/91,077,872.38 = 63,994,446.56/x
  3. Step 3: Cross multiply
    66,480,508.89x = 91,077,872.38 × 63,994,446.56
  4. Step 4: Simplify right side
    66,480,508.89x = 5,828,478,036,888,118
  5. Step 5: Solve for x
    x = 5,828,478,036,888,118/66,480,508.89
  6. Step 6: Final answer
    x = 87,671,982.87

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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.