Home / 55,166,257.80-76,129,435.44-31,974,836.76

Finding the Fourth Proportional to 55,166,257.80, 76,129,435.44 and 31,974,836.76

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Solution

The fourth proportional to 55,166,257.80, 76,129,435.44 and 31,974,836.76 is: 44,125,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,257.80 : 76,129,435.44 = 31,974,836.76 : x
  2. Step 2: Convert to fraction form
    55,166,257.80/76,129,435.44 = 31,974,836.76/x
  3. Step 3: Cross multiply
    55,166,257.80x = 76,129,435.44 × 31,974,836.76
  4. Step 4: Simplify right side
    55,166,257.80x = 2,434,226,270,824,959
  5. Step 5: Solve for x
    x = 2,434,226,270,824,959/55,166,257.80
  6. Step 6: Final answer
    x = 44,125,274.54

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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.