Home / 70,238,851.28-105,394,604.96-50,966,966.24

Finding the Fourth Proportional to 70,238,851.28, 105,394,604.96 and 50,966,966.24

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Solution

The fourth proportional to 70,238,851.28, 105,394,604.96 and 50,966,966.24 is: 76,476,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238,851.28 : 105,394,604.96 = 50,966,966.24 : x
  2. Step 2: Convert to fraction form
    70,238,851.28/105,394,604.96 = 50,966,966.24/x
  3. Step 3: Cross multiply
    70,238,851.28x = 105,394,604.96 × 50,966,966.24
  4. Step 4: Simplify right side
    70,238,851.28x = 5,371,643,272,874,456
  5. Step 5: Solve for x
    x = 5,371,643,272,874,456/70,238,851.28
  6. Step 6: Final answer
    x = 76,476,809.84

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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.