Home / 99,833,765-150,432,086.32-82,036,636.28

Finding the Fourth Proportional to 99,833,765, 150,432,086.32 and 82,036,636.28

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Solution

The fourth proportional to 99,833,765, 150,432,086.32 and 82,036,636.28 is: 123,614,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,833,765 : 150,432,086.32 = 82,036,636.28 : x
  2. Step 2: Convert to fraction form
    99,833,765/150,432,086.32 = 82,036,636.28/x
  3. Step 3: Cross multiply
    99,833,765x = 150,432,086.32 × 82,036,636.28
  4. Step 4: Simplify right side
    99,833,765x = 12,340,942,350,275,404
  5. Step 5: Solve for x
    x = 12,340,942,350,275,404/99,833,765
  6. Step 6: Final answer
    x = 123,614,914.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.