Home / 90,299,684.40-124,615,206-51,149,589.90

Finding the Fourth Proportional to 90,299,684.40, 124,615,206 and 51,149,589.90

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Solution

The fourth proportional to 90,299,684.40, 124,615,206 and 51,149,589.90 is: 70,587,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,299,684.40 : 124,615,206 = 51,149,589.90 : x
  2. Step 2: Convert to fraction form
    90,299,684.40/124,615,206 = 51,149,589.90/x
  3. Step 3: Cross multiply
    90,299,684.40x = 124,615,206 × 51,149,589.90
  4. Step 4: Simplify right side
    90,299,684.40x = 6,374,016,682,204,019
  5. Step 5: Solve for x
    x = 6,374,016,682,204,019/90,299,684.40
  6. Step 6: Final answer
    x = 70,587,363.89

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1.5x scale

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.