Home / 93,768,079.72-140,425,354.14-81,070,182.76

Finding the Fourth Proportional to 93,768,079.72, 140,425,354.14 and 81,070,182.76

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Solution

The fourth proportional to 93,768,079.72, 140,425,354.14 and 81,070,182.76 is: 121,409,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768,079.72 : 140,425,354.14 = 81,070,182.76 : x
  2. Step 2: Convert to fraction form
    93,768,079.72/140,425,354.14 = 81,070,182.76/x
  3. Step 3: Cross multiply
    93,768,079.72x = 140,425,354.14 × 81,070,182.76
  4. Step 4: Simplify right side
    93,768,079.72x = 11,384,309,124,267,522
  5. Step 5: Solve for x
    x = 11,384,309,124,267,522/93,768,079.72
  6. Step 6: Final answer
    x = 121,409,216.85

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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.