Home / 64,889,693.53-89,542,102.75-38,423,299.33

Finding the Fourth Proportional to 64,889,693.53, 89,542,102.75 and 38,423,299.33

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Solution

The fourth proportional to 64,889,693.53, 89,542,102.75 and 38,423,299.33 is: 53,020,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,889,693.53 : 89,542,102.75 = 38,423,299.33 : x
  2. Step 2: Convert to fraction form
    64,889,693.53/89,542,102.75 = 38,423,299.33/x
  3. Step 3: Cross multiply
    64,889,693.53x = 89,542,102.75 × 38,423,299.33
  4. Step 4: Simplify right side
    64,889,693.53x = 3,440,503,016,113,061.50
  5. Step 5: Solve for x
    x = 3,440,503,016,113,061.50/64,889,693.53
  6. Step 6: Final answer
    x = 53,020,793.11

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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.