Home / 162,510,998.76-243,638,233.02-80,573,383.08

Finding the Fourth Proportional to 162,510,998.76, 243,638,233.02 and 80,573,383.08

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Solution

The fourth proportional to 162,510,998.76, 243,638,233.02 and 80,573,383.08 is: 120,796,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,510,998.76 : 243,638,233.02 = 80,573,383.08 : x
  2. Step 2: Convert to fraction form
    162,510,998.76/243,638,233.02 = 80,573,383.08/x
  3. Step 3: Cross multiply
    162,510,998.76x = 243,638,233.02 × 80,573,383.08
  4. Step 4: Simplify right side
    162,510,998.76x = 19,630,756,682,054,764
  5. Step 5: Solve for x
    x = 19,630,756,682,054,764/162,510,998.76
  6. Step 6: Final answer
    x = 120,796,480.43

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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.