Home / 90,284,934.48-135,197,499.96-59,486,140.68

Finding the Fourth Proportional to 90,284,934.48, 135,197,499.96 and 59,486,140.68

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Solution

The fourth proportional to 90,284,934.48, 135,197,499.96 and 59,486,140.68 is: 89,077,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,284,934.48 : 135,197,499.96 = 59,486,140.68 : x
  2. Step 2: Convert to fraction form
    90,284,934.48/135,197,499.96 = 59,486,140.68/x
  3. Step 3: Cross multiply
    90,284,934.48x = 135,197,499.96 × 59,486,140.68
  4. Step 4: Simplify right side
    90,284,934.48x = 8,042,377,502,204,855
  5. Step 5: Solve for x
    x = 8,042,377,502,204,855/90,284,934.48
  6. Step 6: Final answer
    x = 89,077,735.38

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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.