Home / 70,839,284.13-97,756,884.05-39,476,642.97

Finding the Fourth Proportional to 70,839,284.13, 97,756,884.05 and 39,476,642.97

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Solution

The fourth proportional to 70,839,284.13, 97,756,884.05 and 39,476,642.97 is: 54,477,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839,284.13 : 97,756,884.05 = 39,476,642.97 : x
  2. Step 2: Convert to fraction form
    70,839,284.13/97,756,884.05 = 39,476,642.97/x
  3. Step 3: Cross multiply
    70,839,284.13x = 97,756,884.05 × 39,476,642.97
  4. Step 4: Simplify right side
    70,839,284.13x = 3,859,113,609,670,743
  5. Step 5: Solve for x
    x = 3,859,113,609,670,743/70,839,284.13
  6. Step 6: Final answer
    x = 54,477,027.22

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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.