Home / 159,241,435,671.30-219,753,172,822.11-85,997,659,327.31

Finding the Fourth Proportional to 159,241,435,671.30, 219,753,172,822.11 and 85,997,659,327.31

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Solution

The fourth proportional to 159,241,435,671.30, 219,753,172,822.11 and 85,997,659,327.31 is: 118,676,765,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,241,435,671.30 : 219,753,172,822.11 = 85,997,659,327.31 : x
  2. Step 2: Convert to fraction form
    159,241,435,671.30/219,753,172,822.11 = 85,997,659,327.31/x
  3. Step 3: Cross multiply
    159,241,435,671.30x = 219,753,172,822.11 × 85,997,659,327.31
  4. Step 4: Simplify right side
    159,241,435,671.30x = 18,898,258,492,450,194,587,648
  5. Step 5: Solve for x
    x = 18,898,258,492,450,194,587,648/159,241,435,671.30
  6. Step 6: Final answer
    x = 118,676,765,332.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.