Home / 68,037,871.35-102,028,430.57-21,339,325.54

Finding the Fourth Proportional to 68,037,871.35, 102,028,430.57 and 21,339,325.54

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Solution

The fourth proportional to 68,037,871.35, 102,028,430.57 and 21,339,325.54 is: 32,000,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037,871.35 : 102,028,430.57 = 21,339,325.54 : x
  2. Step 2: Convert to fraction form
    68,037,871.35/102,028,430.57 = 21,339,325.54/x
  3. Step 3: Cross multiply
    68,037,871.35x = 102,028,430.57 × 21,339,325.54
  4. Step 4: Simplify right side
    68,037,871.35x = 2,177,217,894,268,517.50
  5. Step 5: Solve for x
    x = 2,177,217,894,268,517.50/68,037,871.35
  6. Step 6: Final answer
    x = 32,000,088.35

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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.