Home / 120,531,148.88-166,334,877.96-65,527,215.44

Finding the Fourth Proportional to 120,531,148.88, 166,334,877.96 and 65,527,215.44

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Solution

The fourth proportional to 120,531,148.88, 166,334,877.96 and 65,527,215.44 is: 90,428,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,531,148.88 : 166,334,877.96 = 65,527,215.44 : x
  2. Step 2: Convert to fraction form
    120,531,148.88/166,334,877.96 = 65,527,215.44/x
  3. Step 3: Cross multiply
    120,531,148.88x = 166,334,877.96 × 65,527,215.44
  4. Step 4: Simplify right side
    120,531,148.88x = 10,899,461,383,271,028
  5. Step 5: Solve for x
    x = 10,899,461,383,271,028/120,531,148.88
  6. Step 6: Final answer
    x = 90,428,586.18

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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.