Home / 90,002,684,845.15-124,192,289,353.39-49,346,897,833.51

Finding the Fourth Proportional to 90,002,684,845.15, 124,192,289,353.39 and 49,346,897,833.51

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Solution

The fourth proportional to 90,002,684,845.15, 124,192,289,353.39 and 49,346,897,833.51 is: 68,092,459,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,002,684,845.15 : 124,192,289,353.39 = 49,346,897,833.51 : x
  2. Step 2: Convert to fraction form
    90,002,684,845.15/124,192,289,353.39 = 49,346,897,833.51/x
  3. Step 3: Cross multiply
    90,002,684,845.15x = 124,192,289,353.39 × 49,346,897,833.51
  4. Step 4: Simplify right side
    90,002,684,845.15x = 6,128,504,214,431,944,671,232
  5. Step 5: Solve for x
    x = 6,128,504,214,431,944,671,232/90,002,684,845.15
  6. Step 6: Final answer
    x = 68,092,459,963.56

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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.