Home / 178,219,261.60-267,291,567.60-87,408,023.20

Finding the Fourth Proportional to 178,219,261.60, 267,291,567.60 and 87,408,023.20

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Solution

The fourth proportional to 178,219,261.60, 267,291,567.60 and 87,408,023.20 is: 131,093,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,219,261.60 : 267,291,567.60 = 87,408,023.20 : x
  2. Step 2: Convert to fraction form
    178,219,261.60/267,291,567.60 = 87,408,023.20/x
  3. Step 3: Cross multiply
    178,219,261.60x = 267,291,567.60 × 87,408,023.20
  4. Step 4: Simplify right side
    178,219,261.60x = 23,363,427,541,945,168
  5. Step 5: Solve for x
    x = 23,363,427,541,945,168/178,219,261.60
  6. Step 6: Final answer
    x = 131,093,728.77

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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.