Home / 70,238,925.90-105,394,716.90-50,967,040.86

Finding the Fourth Proportional to 70,238,925.90, 105,394,716.90 and 50,967,040.86

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Solution

The fourth proportional to 70,238,925.90, 105,394,716.90 and 50,967,040.86 is: 76,476,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238,925.90 : 105,394,716.90 = 50,967,040.86 : x
  2. Step 2: Convert to fraction form
    70,238,925.90/105,394,716.90 = 50,967,040.86/x
  3. Step 3: Cross multiply
    70,238,925.90x = 105,394,716.90 × 50,967,040.86
  4. Step 4: Simplify right side
    70,238,925.90x = 5,371,656,842,670,433
  5. Step 5: Solve for x
    x = 5,371,656,842,670,433/70,238,925.90
  6. Step 6: Final answer
    x = 76,476,921.79

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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.