Home / 212,957,597.56-293,881,679.22-115,172,453.56

Finding the Fourth Proportional to 212,957,597.56, 293,881,679.22 and 115,172,453.56

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Solution

The fourth proportional to 212,957,597.56, 293,881,679.22 and 115,172,453.56 is: 158,938,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,957,597.56 : 293,881,679.22 = 115,172,453.56 : x
  2. Step 2: Convert to fraction form
    212,957,597.56/293,881,679.22 = 115,172,453.56/x
  3. Step 3: Cross multiply
    212,957,597.56x = 293,881,679.22 × 115,172,453.56
  4. Step 4: Simplify right side
    212,957,597.56x = 33,847,074,052,100,272
  5. Step 5: Solve for x
    x = 33,847,074,052,100,272/212,957,597.56
  6. Step 6: Final answer
    x = 158,938,091.15

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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.