Home / 65,856,272.76-90,881,656.40-36,882,896.76

Finding the Fourth Proportional to 65,856,272.76, 90,881,656.40 and 36,882,896.76

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Solution

The fourth proportional to 65,856,272.76, 90,881,656.40 and 36,882,896.76 is: 50,898,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,272.76 : 90,881,656.40 = 36,882,896.76 : x
  2. Step 2: Convert to fraction form
    65,856,272.76/90,881,656.40 = 36,882,896.76/x
  3. Step 3: Cross multiply
    65,856,272.76x = 90,881,656.40 × 36,882,896.76
  4. Step 4: Simplify right side
    65,856,272.76x = 3,351,978,750,378,993.50
  5. Step 5: Solve for x
    x = 3,351,978,750,378,993.50/65,856,272.76
  6. Step 6: Final answer
    x = 50,898,397.52

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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.