Home / 206,839,756.14-285,428,547.66-117,519,902.41

Finding the Fourth Proportional to 206,839,756.14, 285,428,547.66 and 117,519,902.41

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Solution

The fourth proportional to 206,839,756.14, 285,428,547.66 and 117,519,902.41 is: 162,171,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,839,756.14 : 285,428,547.66 = 117,519,902.41 : x
  2. Step 2: Convert to fraction form
    206,839,756.14/285,428,547.66 = 117,519,902.41/x
  3. Step 3: Cross multiply
    206,839,756.14x = 285,428,547.66 × 117,519,902.41
  4. Step 4: Simplify right side
    206,839,756.14x = 33,543,535,066,031,236
  5. Step 5: Solve for x
    x = 33,543,535,066,031,236/206,839,756.14
  6. Step 6: Final answer
    x = 162,171,604.20

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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.