Home / 65,786,769.14-90,786,459.69-36,418,592.25

Finding the Fourth Proportional to 65,786,769.14, 90,786,459.69 and 36,418,592.25

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Solution

The fourth proportional to 65,786,769.14, 90,786,459.69 and 36,418,592.25 is: 50,258,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786,769.14 : 90,786,459.69 = 36,418,592.25 : x
  2. Step 2: Convert to fraction form
    65,786,769.14/90,786,459.69 = 36,418,592.25/x
  3. Step 3: Cross multiply
    65,786,769.14x = 90,786,459.69 × 36,418,592.25
  4. Step 4: Simplify right side
    65,786,769.14x = 3,306,315,057,271,171.50
  5. Step 5: Solve for x
    x = 3,306,315,057,271,171.50/65,786,769.14
  6. Step 6: Final answer
    x = 50,258,054.94

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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.