Home / 121,394,503.82-182,151,542.28-56,688,904.91

Finding the Fourth Proportional to 121,394,503.82, 182,151,542.28 and 56,688,904.91

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Solution

The fourth proportional to 121,394,503.82, 182,151,542.28 and 56,688,904.91 is: 85,061,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,394,503.82 : 182,151,542.28 = 56,688,904.91 : x
  2. Step 2: Convert to fraction form
    121,394,503.82/182,151,542.28 = 56,688,904.91/x
  3. Step 3: Cross multiply
    121,394,503.82x = 182,151,542.28 × 56,688,904.91
  4. Step 4: Simplify right side
    121,394,503.82x = 10,325,971,459,520,764
  5. Step 5: Solve for x
    x = 10,325,971,459,520,764/121,394,503.82
  6. Step 6: Final answer
    x = 85,061,276.54

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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.