Home / 88,089,128.70-132,133,693.05-65,414,312.70

Finding the Fourth Proportional to 88,089,128.70, 132,133,693.05 and 65,414,312.70

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Solution

The fourth proportional to 88,089,128.70, 132,133,693.05 and 65,414,312.70 is: 98,121,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089,128.70 : 132,133,693.05 = 65,414,312.70 : x
  2. Step 2: Convert to fraction form
    88,089,128.70/132,133,693.05 = 65,414,312.70/x
  3. Step 3: Cross multiply
    88,089,128.70x = 132,133,693.05 × 65,414,312.70
  4. Step 4: Simplify right side
    88,089,128.70x = 8,643,434,715,378,517
  5. Step 5: Solve for x
    x = 8,643,434,715,378,517/88,089,128.70
  6. Step 6: Final answer
    x = 98,121,469.05

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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.