Home / 157,093,956.56-216,789,659.21-91,052,761.68

Finding the Fourth Proportional to 157,093,956.56, 216,789,659.21 and 91,052,761.68

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Solution

The fourth proportional to 157,093,956.56, 216,789,659.21 and 91,052,761.68 is: 125,652,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,093,956.56 : 216,789,659.21 = 91,052,761.68 : x
  2. Step 2: Convert to fraction form
    157,093,956.56/216,789,659.21 = 91,052,761.68/x
  3. Step 3: Cross multiply
    157,093,956.56x = 216,789,659.21 × 91,052,761.68
  4. Step 4: Simplify right side
    157,093,956.56x = 19,739,297,174,736,548
  5. Step 5: Solve for x
    x = 19,739,297,174,736,548/157,093,956.56
  6. Step 6: Final answer
    x = 125,652,810.63

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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.