Home / 88,009,603.40-132,014,405.10-80,445,110.60

Finding the Fourth Proportional to 88,009,603.40, 132,014,405.10 and 80,445,110.60

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Solution

The fourth proportional to 88,009,603.40, 132,014,405.10 and 80,445,110.60 is: 120,667,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009,603.40 : 132,014,405.10 = 80,445,110.60 : x
  2. Step 2: Convert to fraction form
    88,009,603.40/132,014,405.10 = 80,445,110.60/x
  3. Step 3: Cross multiply
    88,009,603.40x = 132,014,405.10 × 80,445,110.60
  4. Step 4: Simplify right side
    88,009,603.40x = 10,619,913,419,062,702
  5. Step 5: Solve for x
    x = 10,619,913,419,062,702/88,009,603.40
  6. Step 6: Final answer
    x = 120,667,665.90

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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.