Home / 80,021,079,733.20-119,871,586,749.72-48,132,145,419.60

Finding the Fourth Proportional to 80,021,079,733.20, 119,871,586,749.72 and 48,132,145,419.60

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Solution

The fourth proportional to 80,021,079,733.20, 119,871,586,749.72 and 48,132,145,419.60 is: 72,101,959,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,021,079,733.20 : 119,871,586,749.72 = 48,132,145,419.60 : x
  2. Step 2: Convert to fraction form
    80,021,079,733.20/119,871,586,749.72 = 48,132,145,419.60/x
  3. Step 3: Cross multiply
    80,021,079,733.20x = 119,871,586,749.72 × 48,132,145,419.60
  4. Step 4: Simplify right side
    80,021,079,733.20x = 5,769,676,645,115,719,843,840
  5. Step 5: Solve for x
    x = 5,769,676,645,115,719,843,840/80,021,079,733.20
  6. Step 6: Final answer
    x = 72,101,959,438.09

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1.5x scale

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.