Home / 104,012,167.52-143,467,676.72-66,889,380.60

Finding the Fourth Proportional to 104,012,167.52, 143,467,676.72 and 66,889,380.60

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Solution

The fourth proportional to 104,012,167.52, 143,467,676.72 and 66,889,380.60 is: 92,262,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012,167.52 : 143,467,676.72 = 66,889,380.60 : x
  2. Step 2: Convert to fraction form
    104,012,167.52/143,467,676.72 = 66,889,380.60/x
  3. Step 3: Cross multiply
    104,012,167.52x = 143,467,676.72 × 66,889,380.60
  4. Step 4: Simplify right side
    104,012,167.52x = 9,596,464,031,921,840
  5. Step 5: Solve for x
    x = 9,596,464,031,921,840/104,012,167.52
  6. Step 6: Final answer
    x = 92,262,898.28

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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.