Home / 73,753,403.40-110,630,105.10-66,447,073.80

Finding the Fourth Proportional to 73,753,403.40, 110,630,105.10 and 66,447,073.80

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Solution

The fourth proportional to 73,753,403.40, 110,630,105.10 and 66,447,073.80 is: 99,670,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753,403.40 : 110,630,105.10 = 66,447,073.80 : x
  2. Step 2: Convert to fraction form
    73,753,403.40/110,630,105.10 = 66,447,073.80/x
  3. Step 3: Cross multiply
    73,753,403.40x = 110,630,105.10 × 66,447,073.80
  4. Step 4: Simplify right side
    73,753,403.40x = 7,351,046,758,081,456
  5. Step 5: Solve for x
    x = 7,351,046,758,081,456/73,753,403.40
  6. Step 6: Final answer
    x = 99,670,610.70

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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.