Home / 120,389,586.48-180,538,168.56-51,258,560.88

Finding the Fourth Proportional to 120,389,586.48, 180,538,168.56 and 51,258,560.88

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Solution

The fourth proportional to 120,389,586.48, 180,538,168.56 and 51,258,560.88 is: 76,868,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,389,586.48 : 180,538,168.56 = 51,258,560.88 : x
  2. Step 2: Convert to fraction form
    120,389,586.48/180,538,168.56 = 51,258,560.88/x
  3. Step 3: Cross multiply
    120,389,586.48x = 180,538,168.56 × 51,258,560.88
  4. Step 4: Simplify right side
    120,389,586.48x = 9,254,126,704,296,462
  5. Step 5: Solve for x
    x = 9,254,126,704,296,462/120,389,586.48
  6. Step 6: Final answer
    x = 76,868,165.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.