Home / 66,432,665.70-99,648,998.55-49,213,977.30

Finding the Fourth Proportional to 66,432,665.70, 99,648,998.55 and 49,213,977.30

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Solution

The fourth proportional to 66,432,665.70, 99,648,998.55 and 49,213,977.30 is: 73,820,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,665.70 : 99,648,998.55 = 49,213,977.30 : x
  2. Step 2: Convert to fraction form
    66,432,665.70/99,648,998.55 = 49,213,977.30/x
  3. Step 3: Cross multiply
    66,432,665.70x = 99,648,998.55 × 49,213,977.30
  4. Step 4: Simplify right side
    66,432,665.70x = 4,904,123,552,607,432
  5. Step 5: Solve for x
    x = 4,904,123,552,607,432/66,432,665.70
  6. Step 6: Final answer
    x = 73,820,965.95

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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.