Home / 90,079,549.72-135,119,338.62-21,922,241.20

Finding the Fourth Proportional to 90,079,549.72, 135,119,338.62 and 21,922,241.20

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Solution

The fourth proportional to 90,079,549.72, 135,119,338.62 and 21,922,241.20 is: 32,883,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079,549.72 : 135,119,338.62 = 21,922,241.20 : x
  2. Step 2: Convert to fraction form
    90,079,549.72/135,119,338.62 = 21,922,241.20/x
  3. Step 3: Cross multiply
    90,079,549.72x = 135,119,338.62 × 21,922,241.20
  4. Step 4: Simplify right side
    90,079,549.72x = 2,962,118,732,012,115
  5. Step 5: Solve for x
    x = 2,962,118,732,012,115/90,079,549.72
  6. Step 6: Final answer
    x = 32,883,365.22

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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.