Home / 85,001,540.76-117,301,578.30-48,332,108.52

Finding the Fourth Proportional to 85,001,540.76, 117,301,578.30 and 48,332,108.52

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Solution

The fourth proportional to 85,001,540.76, 117,301,578.30 and 48,332,108.52 is: 66,697,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001,540.76 : 117,301,578.30 = 48,332,108.52 : x
  2. Step 2: Convert to fraction form
    85,001,540.76/117,301,578.30 = 48,332,108.52/x
  3. Step 3: Cross multiply
    85,001,540.76x = 117,301,578.30 × 48,332,108.52
  4. Step 4: Simplify right side
    85,001,540.76x = 5,669,432,611,962,877
  5. Step 5: Solve for x
    x = 5,669,432,611,962,877/85,001,540.76
  6. Step 6: Final answer
    x = 66,697,998.19

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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.