Home / 109,394,776.44-151,011,274.86-68,162,040.72

Finding the Fourth Proportional to 109,394,776.44, 151,011,274.86 and 68,162,040.72

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Solution

The fourth proportional to 109,394,776.44, 151,011,274.86 and 68,162,040.72 is: 94,092,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,394,776.44 : 151,011,274.86 = 68,162,040.72 : x
  2. Step 2: Convert to fraction form
    109,394,776.44/151,011,274.86 = 68,162,040.72/x
  3. Step 3: Cross multiply
    109,394,776.44x = 151,011,274.86 × 68,162,040.72
  4. Step 4: Simplify right side
    109,394,776.44x = 10,293,236,666,186,434
  5. Step 5: Solve for x
    x = 10,293,236,666,186,434/109,394,776.44
  6. Step 6: Final answer
    x = 94,092,579.20

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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.