Home / 135,549,057.60-203,181,868.80-74,043,619.20

Finding the Fourth Proportional to 135,549,057.60, 203,181,868.80 and 74,043,619.20

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Solution

The fourth proportional to 135,549,057.60, 203,181,868.80 and 74,043,619.20 is: 110,988,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,549,057.60 : 203,181,868.80 = 74,043,619.20 : x
  2. Step 2: Convert to fraction form
    135,549,057.60/203,181,868.80 = 74,043,619.20/x
  3. Step 3: Cross multiply
    135,549,057.60x = 203,181,868.80 × 74,043,619.20
  4. Step 4: Simplify right side
    135,549,057.60x = 15,044,320,921,771,562
  5. Step 5: Solve for x
    x = 15,044,320,921,771,562/135,549,057.60
  6. Step 6: Final answer
    x = 110,988,015.62

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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.