Home / 75,029,630.86-103,560,355.47-42,453,478.54

Finding the Fourth Proportional to 75,029,630.86, 103,560,355.47 and 42,453,478.54

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Solution

The fourth proportional to 75,029,630.86, 103,560,355.47 and 42,453,478.54 is: 58,596,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029,630.86 : 103,560,355.47 = 42,453,478.54 : x
  2. Step 2: Convert to fraction form
    75,029,630.86/103,560,355.47 = 42,453,478.54/x
  3. Step 3: Cross multiply
    75,029,630.86x = 103,560,355.47 × 42,453,478.54
  4. Step 4: Simplify right side
    75,029,630.86x = 4,396,497,328,540,416.50
  5. Step 5: Solve for x
    x = 4,396,497,328,540,416.50/75,029,630.86
  6. Step 6: Final answer
    x = 58,596,814.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.