Home / 56,815,930.28-85,223,381.40-17,954,388.67

Finding the Fourth Proportional to 56,815,930.28, 85,223,381.40 and 17,954,388.67

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Solution

The fourth proportional to 56,815,930.28, 85,223,381.40 and 17,954,388.67 is: 26,931,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815,930.28 : 85,223,381.40 = 17,954,388.67 : x
  2. Step 2: Convert to fraction form
    56,815,930.28/85,223,381.40 = 17,954,388.67/x
  3. Step 3: Cross multiply
    56,815,930.28x = 85,223,381.40 × 17,954,388.67
  4. Step 4: Simplify right side
    56,815,930.28x = 1,530,133,713,001,131.75
  5. Step 5: Solve for x
    x = 1,530,133,713,001,131.75/56,815,930.28
  6. Step 6: Final answer
    x = 26,931,420.56

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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.