Home / 157,093,958.56-216,789,661.90-91,052,763.78

Finding the Fourth Proportional to 157,093,958.56, 216,789,661.90 and 91,052,763.78

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Solution

The fourth proportional to 157,093,958.56, 216,789,661.90 and 91,052,763.78 is: 125,652,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,093,958.56 : 216,789,661.90 = 91,052,763.78 : x
  2. Step 2: Convert to fraction form
    157,093,958.56/216,789,661.90 = 91,052,763.78/x
  3. Step 3: Cross multiply
    157,093,958.56x = 216,789,661.90 × 91,052,763.78
  4. Step 4: Simplify right side
    157,093,958.56x = 19,739,297,874,926,768
  5. Step 5: Solve for x
    x = 19,739,297,874,926,768/157,093,958.56
  6. Step 6: Final answer
    x = 125,652,813.49

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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.