Home / 84,581,232.20-126,871,848.30-80,214,230.60

Finding the Fourth Proportional to 84,581,232.20, 126,871,848.30 and 80,214,230.60

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Solution

The fourth proportional to 84,581,232.20, 126,871,848.30 and 80,214,230.60 is: 120,321,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581,232.20 : 126,871,848.30 = 80,214,230.60 : x
  2. Step 2: Convert to fraction form
    84,581,232.20/126,871,848.30 = 80,214,230.60/x
  3. Step 3: Cross multiply
    84,581,232.20x = 126,871,848.30 × 80,214,230.60
  4. Step 4: Simplify right side
    84,581,232.20x = 10,176,927,696,184,416
  5. Step 5: Solve for x
    x = 10,176,927,696,184,416/84,581,232.20
  6. Step 6: Final answer
    x = 120,321,345.90

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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.