Home / 126,603,669.60-189,905,504.40-75,585,333.60

Finding the Fourth Proportional to 126,603,669.60, 189,905,504.40 and 75,585,333.60

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Solution

The fourth proportional to 126,603,669.60, 189,905,504.40 and 75,585,333.60 is: 113,378,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,603,669.60 : 189,905,504.40 = 75,585,333.60 : x
  2. Step 2: Convert to fraction form
    126,603,669.60/189,905,504.40 = 75,585,333.60/x
  3. Step 3: Cross multiply
    126,603,669.60x = 189,905,504.40 × 75,585,333.60
  4. Step 4: Simplify right side
    126,603,669.60x = 14,354,070,902,550,268
  5. Step 5: Solve for x
    x = 14,354,070,902,550,268/126,603,669.60
  6. Step 6: Final answer
    x = 113,378,000.40

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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.