Home / 189,408,695.60-284,113,043.40-87,372,023.60

Finding the Fourth Proportional to 189,408,695.60, 284,113,043.40 and 87,372,023.60

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Solution

The fourth proportional to 189,408,695.60, 284,113,043.40 and 87,372,023.60 is: 131,058,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,408,695.60 : 284,113,043.40 = 87,372,023.60 : x
  2. Step 2: Convert to fraction form
    189,408,695.60/284,113,043.40 = 87,372,023.60/x
  3. Step 3: Cross multiply
    189,408,695.60x = 284,113,043.40 × 87,372,023.60
  4. Step 4: Simplify right side
    189,408,695.60x = 24,823,531,533,012,620
  5. Step 5: Solve for x
    x = 24,823,531,533,012,620/189,408,695.60
  6. Step 6: Final answer
    x = 131,058,035.40

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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.