Home / 66,936,841.34-99,954,508.27-54,665,148.87

Finding the Fourth Proportional to 66,936,841.34, 99,954,508.27 and 54,665,148.87

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Solution

The fourth proportional to 66,936,841.34, 99,954,508.27 and 54,665,148.87 is: 81,629,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936,841.34 : 99,954,508.27 = 54,665,148.87 : x
  2. Step 2: Convert to fraction form
    66,936,841.34/99,954,508.27 = 54,665,148.87/x
  3. Step 3: Cross multiply
    66,936,841.34x = 99,954,508.27 × 54,665,148.87
  4. Step 4: Simplify right side
    66,936,841.34x = 5,464,028,075,250,357
  5. Step 5: Solve for x
    x = 5,464,028,075,250,357/66,936,841.34
  6. Step 6: Final answer
    x = 81,629,607.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.