Home / 65,786,781.12-90,786,476.24-36,418,604.24

Finding the Fourth Proportional to 65,786,781.12, 90,786,476.24 and 36,418,604.24

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Solution

The fourth proportional to 65,786,781.12, 90,786,476.24 and 36,418,604.24 is: 50,258,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786,781.12 : 90,786,476.24 = 36,418,604.24 : x
  2. Step 2: Convert to fraction form
    65,786,781.12/90,786,476.24 = 36,418,604.24/x
  3. Step 3: Cross multiply
    65,786,781.12x = 90,786,476.24 × 36,418,604.24
  4. Step 4: Simplify right side
    65,786,781.12x = 3,306,316,748,528,723.50
  5. Step 5: Solve for x
    x = 3,306,316,748,528,723.50/65,786,781.12
  6. Step 6: Final answer
    x = 50,258,071.49

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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.