Home / 66,065,912.70-99,098,869.05-18,196,856.70

Finding the Fourth Proportional to 66,065,912.70, 99,098,869.05 and 18,196,856.70

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Solution

The fourth proportional to 66,065,912.70, 99,098,869.05 and 18,196,856.70 is: 27,295,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,912.70 : 99,098,869.05 = 18,196,856.70 : x
  2. Step 2: Convert to fraction form
    66,065,912.70/99,098,869.05 = 18,196,856.70/x
  3. Step 3: Cross multiply
    66,065,912.70x = 99,098,869.05 × 18,196,856.70
  4. Step 4: Simplify right side
    66,065,912.70x = 1,803,287,919,234,915
  5. Step 5: Solve for x
    x = 1,803,287,919,234,915/66,065,912.70
  6. Step 6: Final answer
    x = 27,295,285.05

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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.