Home / 290,903,655.98-401,455,523.21-158,753,164.56

Finding the Fourth Proportional to 290,903,655.98, 401,455,523.21 and 158,753,164.56

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Solution

The fourth proportional to 290,903,655.98, 401,455,523.21 and 158,753,164.56 is: 219,083,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,903,655.98 : 401,455,523.21 = 158,753,164.56 : x
  2. Step 2: Convert to fraction form
    290,903,655.98/401,455,523.21 = 158,753,164.56/x
  3. Step 3: Cross multiply
    290,903,655.98x = 401,455,523.21 × 158,753,164.56
  4. Step 4: Simplify right side
    290,903,655.98x = 63,732,334,738,884,264
  5. Step 5: Solve for x
    x = 63,732,334,738,884,264/290,903,655.98
  6. Step 6: Final answer
    x = 219,083,993.72

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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.