Home / 126,603,425.60-189,905,138.40-40,348,145.60

Finding the Fourth Proportional to 126,603,425.60, 189,905,138.40 and 40,348,145.60

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Solution

The fourth proportional to 126,603,425.60, 189,905,138.40 and 40,348,145.60 is: 60,522,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,603,425.60 : 189,905,138.40 = 40,348,145.60 : x
  2. Step 2: Convert to fraction form
    126,603,425.60/189,905,138.40 = 40,348,145.60/x
  3. Step 3: Cross multiply
    126,603,425.60x = 189,905,138.40 × 40,348,145.60
  4. Step 4: Simplify right side
    126,603,425.60x = 7,662,320,174,351,352
  5. Step 5: Solve for x
    x = 7,662,320,174,351,352/126,603,425.60
  6. Step 6: Final answer
    x = 60,522,218.40

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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.