Home / 65,383,711,158.21-90,229,517,944.61-35,310,192,801.81

Finding the Fourth Proportional to 65,383,711,158.21, 90,229,517,944.61 and 35,310,192,801.81

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Solution

The fourth proportional to 65,383,711,158.21, 90,229,517,944.61 and 35,310,192,801.81 is: 48,728,064,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,383,711,158.21 : 90,229,517,944.61 = 35,310,192,801.81 : x
  2. Step 2: Convert to fraction form
    65,383,711,158.21/90,229,517,944.61 = 35,310,192,801.81/x
  3. Step 3: Cross multiply
    65,383,711,158.21x = 90,229,517,944.61 × 35,310,192,801.81
  4. Step 4: Simplify right side
    65,383,711,158.21x = 3,186,021,675,038,553,931,776
  5. Step 5: Solve for x
    x = 3,186,021,675,038,553,931,776/65,383,711,158.21
  6. Step 6: Final answer
    x = 48,728,064,201.33

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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.