Home / 126,765,780.70-190,175,964.63-39,325,525.78

Finding the Fourth Proportional to 126,765,780.70, 190,175,964.63 and 39,325,525.78

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Solution

The fourth proportional to 126,765,780.70, 190,175,964.63 and 39,325,525.78 is: 58,996,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,765,780.70 : 190,175,964.63 = 39,325,525.78 : x
  2. Step 2: Convert to fraction form
    126,765,780.70/190,175,964.63 = 39,325,525.78/x
  3. Step 3: Cross multiply
    126,765,780.70x = 190,175,964.63 × 39,325,525.78
  4. Step 4: Simplify right side
    126,765,780.70x = 7,478,769,799,793,433
  5. Step 5: Solve for x
    x = 7,478,769,799,793,433/126,765,780.70
  6. Step 6: Final answer
    x = 58,996,755.74

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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.