Home / 252,436,947.90-378,543,447.45-116,052,128.70

Finding the Fourth Proportional to 252,436,947.90, 378,543,447.45 and 116,052,128.70

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Solution

The fourth proportional to 252,436,947.90, 378,543,447.45 and 116,052,128.70 is: 174,026,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436,947.90 : 378,543,447.45 = 116,052,128.70 : x
  2. Step 2: Convert to fraction form
    252,436,947.90/378,543,447.45 = 116,052,128.70/x
  3. Step 3: Cross multiply
    252,436,947.90x = 378,543,447.45 × 116,052,128.70
  4. Step 4: Simplify right side
    252,436,947.90x = 43,930,772,882,009,088
  5. Step 5: Solve for x
    x = 43,930,772,882,009,088/252,436,947.90
  6. Step 6: Final answer
    x = 174,026,715.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.