Home / 99,072,830.70-148,609,246.05-30,906,665.10

Finding the Fourth Proportional to 99,072,830.70, 148,609,246.05 and 30,906,665.10

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Solution

The fourth proportional to 99,072,830.70, 148,609,246.05 and 30,906,665.10 is: 46,359,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,830.70 : 148,609,246.05 = 30,906,665.10 : x
  2. Step 2: Convert to fraction form
    99,072,830.70/148,609,246.05 = 30,906,665.10/x
  3. Step 3: Cross multiply
    99,072,830.70x = 148,609,246.05 × 30,906,665.10
  4. Step 4: Simplify right side
    99,072,830.70x = 4,593,016,198,430,848
  5. Step 5: Solve for x
    x = 4,593,016,198,430,848/99,072,830.70
  6. Step 6: Final answer
    x = 46,359,997.65

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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.