Home / 253,734,637.79-350,136,179.07-140,709,959.97

Finding the Fourth Proportional to 253,734,637.79, 350,136,179.07 and 140,709,959.97

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Solution

The fourth proportional to 253,734,637.79, 350,136,179.07 and 140,709,959.97 is: 194,169,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,734,637.79 : 350,136,179.07 = 140,709,959.97 : x
  2. Step 2: Convert to fraction form
    253,734,637.79/350,136,179.07 = 140,709,959.97/x
  3. Step 3: Cross multiply
    253,734,637.79x = 350,136,179.07 × 140,709,959.97
  4. Step 4: Simplify right side
    253,734,637.79x = 49,267,647,740,988,448
  5. Step 5: Solve for x
    x = 49,267,647,740,988,448/253,734,637.79
  6. Step 6: Final answer
    x = 194,169,972.89

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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.