Home / 88,089,135.20-132,133,702.80-65,414,319.20

Finding the Fourth Proportional to 88,089,135.20, 132,133,702.80 and 65,414,319.20

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Solution

The fourth proportional to 88,089,135.20, 132,133,702.80 and 65,414,319.20 is: 98,121,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089,135.20 : 132,133,702.80 = 65,414,319.20 : x
  2. Step 2: Convert to fraction form
    88,089,135.20/132,133,702.80 = 65,414,319.20/x
  3. Step 3: Cross multiply
    88,089,135.20x = 132,133,702.80 × 65,414,319.20
  4. Step 4: Simplify right side
    88,089,135.20x = 8,643,436,212,037,134
  5. Step 5: Solve for x
    x = 8,643,436,212,037,134/88,089,135.20
  6. Step 6: Final answer
    x = 98,121,478.80

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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.