Home / 90,278,134.98-135,374,513.43-34,971,872.81

Finding the Fourth Proportional to 90,278,134.98, 135,374,513.43 and 34,971,872.81

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Solution

The fourth proportional to 90,278,134.98, 135,374,513.43 and 34,971,872.81 is: 52,441,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,278,134.98 : 135,374,513.43 = 34,971,872.81 : x
  2. Step 2: Convert to fraction form
    90,278,134.98/135,374,513.43 = 34,971,872.81/x
  3. Step 3: Cross multiply
    90,278,134.98x = 135,374,513.43 × 34,971,872.81
  4. Step 4: Simplify right side
    90,278,134.98x = 4,734,300,265,549,621
  5. Step 5: Solve for x
    x = 4,734,300,265,549,621/90,278,134.98
  6. Step 6: Final answer
    x = 52,441,272.37

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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.