Home / 81,113,654.76-121,685,736.46-32,595,355.02

Finding the Fourth Proportional to 81,113,654.76, 121,685,736.46 and 32,595,355.02

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Solution

The fourth proportional to 81,113,654.76, 121,685,736.46 and 32,595,355.02 is: 48,899,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,113,654.76 : 121,685,736.46 = 32,595,355.02 : x
  2. Step 2: Convert to fraction form
    81,113,654.76/121,685,736.46 = 32,595,355.02/x
  3. Step 3: Cross multiply
    81,113,654.76x = 121,685,736.46 × 32,595,355.02
  4. Step 4: Simplify right side
    81,113,654.76x = 3,966,389,780,783,858
  5. Step 5: Solve for x
    x = 3,966,389,780,783,858/81,113,654.76
  6. Step 6: Final answer
    x = 48,899,162.45

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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.