Home / 159,432,453.80-239,148,680.70-120,885,266.60

Finding the Fourth Proportional to 159,432,453.80, 239,148,680.70 and 120,885,266.60

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Solution

The fourth proportional to 159,432,453.80, 239,148,680.70 and 120,885,266.60 is: 181,327,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,432,453.80 : 239,148,680.70 = 120,885,266.60 : x
  2. Step 2: Convert to fraction form
    159,432,453.80/239,148,680.70 = 120,885,266.60/x
  3. Step 3: Cross multiply
    159,432,453.80x = 239,148,680.70 × 120,885,266.60
  4. Step 4: Simplify right side
    159,432,453.80x = 28,909,552,023,457,772
  5. Step 5: Solve for x
    x = 28,909,552,023,457,772/159,432,453.80
  6. Step 6: Final answer
    x = 181,327,899.90

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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.