Home / 90,189,707.88-135,301,414.14-41,009,173.32

Finding the Fourth Proportional to 90,189,707.88, 135,301,414.14 and 41,009,173.32

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Solution

The fourth proportional to 90,189,707.88, 135,301,414.14 and 41,009,173.32 is: 61,521,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,189,707.88 : 135,301,414.14 = 41,009,173.32 : x
  2. Step 2: Convert to fraction form
    90,189,707.88/135,301,414.14 = 41,009,173.32/x
  3. Step 3: Cross multiply
    90,189,707.88x = 135,301,414.14 × 41,009,173.32
  4. Step 4: Simplify right side
    90,189,707.88x = 5,548,599,142,908,358
  5. Step 5: Solve for x
    x = 5,548,599,142,908,358/90,189,707.88
  6. Step 6: Final answer
    x = 61,521,422.71

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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.