Home / 290,903,660.11-401,455,528.92-158,753,168.66

Finding the Fourth Proportional to 290,903,660.11, 401,455,528.92 and 158,753,168.66

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Solution

The fourth proportional to 290,903,660.11, 401,455,528.92 and 158,753,168.66 is: 219,083,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,903,660.11 : 401,455,528.92 = 158,753,168.66 : x
  2. Step 2: Convert to fraction form
    290,903,660.11/401,455,528.92 = 158,753,168.66/x
  3. Step 3: Cross multiply
    290,903,660.11x = 401,455,528.92 × 158,753,168.66
  4. Step 4: Simplify right side
    290,903,660.11x = 63,732,337,291,122,632
  5. Step 5: Solve for x
    x = 63,732,337,291,122,632/290,903,660.11
  6. Step 6: Final answer
    x = 219,083,999.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.