Home / 88,009,440.40-132,014,160.60-80,444,947.60

Finding the Fourth Proportional to 88,009,440.40, 132,014,160.60 and 80,444,947.60

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Solution

The fourth proportional to 88,009,440.40, 132,014,160.60 and 80,444,947.60 is: 120,667,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009,440.40 : 132,014,160.60 = 80,444,947.60 : x
  2. Step 2: Convert to fraction form
    88,009,440.40/132,014,160.60 = 80,444,947.60/x
  3. Step 3: Cross multiply
    88,009,440.40x = 132,014,160.60 × 80,444,947.60
  4. Step 4: Simplify right side
    88,009,440.40x = 10,619,872,231,924,984
  5. Step 5: Solve for x
    x = 10,619,872,231,924,984/88,009,440.40
  6. Step 6: Final answer
    x = 120,667,421.40

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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.