Home / 66,257,363.30-99,389,414.55-20,819,603.30

Finding the Fourth Proportional to 66,257,363.30, 99,389,414.55 and 20,819,603.30

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Solution

The fourth proportional to 66,257,363.30, 99,389,414.55 and 20,819,603.30 is: 31,230,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257,363.30 : 99,389,414.55 = 20,819,603.30 : x
  2. Step 2: Convert to fraction form
    66,257,363.30/99,389,414.55 = 20,819,603.30/x
  3. Step 3: Cross multiply
    66,257,363.30x = 99,389,414.55 × 20,819,603.30
  4. Step 4: Simplify right side
    66,257,363.30x = 2,069,248,183,150,248
  5. Step 5: Solve for x
    x = 2,069,248,183,150,248/66,257,363.30
  6. Step 6: Final answer
    x = 31,230,463.76

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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.