Home / 64,518,989.54-89,035,938.72-35,150,231.88

Finding the Fourth Proportional to 64,518,989.54, 89,035,938.72 and 35,150,231.88

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Solution

The fourth proportional to 64,518,989.54, 89,035,938.72 and 35,150,231.88 is: 48,507,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,518,989.54 : 89,035,938.72 = 35,150,231.88 : x
  2. Step 2: Convert to fraction form
    64,518,989.54/89,035,938.72 = 35,150,231.88/x
  3. Step 3: Cross multiply
    64,518,989.54x = 89,035,938.72 × 35,150,231.88
  4. Step 4: Simplify right side
    64,518,989.54x = 3,129,633,891,661,470.50
  5. Step 5: Solve for x
    x = 3,129,633,891,661,470.50/64,518,989.54
  6. Step 6: Final answer
    x = 48,507,174.62

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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.