Home / 70,738,984.74-97,618,799.03-39,799,080.21

Finding the Fourth Proportional to 70,738,984.74, 97,618,799.03 and 39,799,080.21

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Solution

The fourth proportional to 70,738,984.74, 97,618,799.03 and 39,799,080.21 is: 54,922,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738,984.74 : 97,618,799.03 = 39,799,080.21 : x
  2. Step 2: Convert to fraction form
    70,738,984.74/97,618,799.03 = 39,799,080.21/x
  3. Step 3: Cross multiply
    70,738,984.74x = 97,618,799.03 × 39,799,080.21
  4. Step 4: Simplify right side
    70,738,984.74x = 3,885,138,412,399,845
  5. Step 5: Solve for x
    x = 3,885,138,412,399,845/70,738,984.74
  6. Step 6: Final answer
    x = 54,922,168.12

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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.