Home / 161,692,091.64-242,449,563.96-79,630,515.36

Finding the Fourth Proportional to 161,692,091.64, 242,449,563.96 and 79,630,515.36

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Solution

The fourth proportional to 161,692,091.64, 242,449,563.96 and 79,630,515.36 is: 119,402,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,692,091.64 : 242,449,563.96 = 79,630,515.36 : x
  2. Step 2: Convert to fraction form
    161,692,091.64/242,449,563.96 = 79,630,515.36/x
  3. Step 3: Cross multiply
    161,692,091.64x = 242,449,563.96 × 79,630,515.36
  4. Step 4: Simplify right side
    161,692,091.64x = 19,306,383,726,942,084
  5. Step 5: Solve for x
    x = 19,306,383,726,942,084/161,692,091.64
  6. Step 6: Final answer
    x = 119,402,152.15

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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.