Home / 76,523,187.76-114,858,768.48-72,375,457

Finding the Fourth Proportional to 76,523,187.76, 114,858,768.48 and 72,375,457

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Solution

The fourth proportional to 76,523,187.76, 114,858,768.48 and 72,375,457 is: 108,633,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,523,187.76 : 114,858,768.48 = 72,375,457 : x
  2. Step 2: Convert to fraction form
    76,523,187.76/114,858,768.48 = 72,375,457/x
  3. Step 3: Cross multiply
    76,523,187.76x = 114,858,768.48 × 72,375,457
  4. Step 4: Simplify right side
    76,523,187.76x = 8,312,955,859,197,196
  5. Step 5: Solve for x
    x = 8,312,955,859,197,196/76,523,187.76
  6. Step 6: Final answer
    x = 108,633,162.09

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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.