Home / 66,808,348.70-91,973,591.37-59,920,873.34

Finding the Fourth Proportional to 66,808,348.70, 91,973,591.37 and 59,920,873.34

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Solution

The fourth proportional to 66,808,348.70, 91,973,591.37 and 59,920,873.34 is: 82,491,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,808,348.70 : 91,973,591.37 = 59,920,873.34 : x
  2. Step 2: Convert to fraction form
    66,808,348.70/91,973,591.37 = 59,920,873.34/x
  3. Step 3: Cross multiply
    66,808,348.70x = 91,973,591.37 × 59,920,873.34
  4. Step 4: Simplify right side
    66,808,348.70x = 5,511,137,918,646,819
  5. Step 5: Solve for x
    x = 5,511,137,918,646,819/66,808,348.70
  6. Step 6: Final answer
    x = 82,491,754.79

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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.