Home / 68,835,151.08-94,998,060.90-39,469,215.78

Finding the Fourth Proportional to 68,835,151.08, 94,998,060.90 and 39,469,215.78

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Solution

The fourth proportional to 68,835,151.08, 94,998,060.90 and 39,469,215.78 is: 54,470,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835,151.08 : 94,998,060.90 = 39,469,215.78 : x
  2. Step 2: Convert to fraction form
    68,835,151.08/94,998,060.90 = 39,469,215.78/x
  3. Step 3: Cross multiply
    68,835,151.08x = 94,998,060.90 × 39,469,215.78
  4. Step 4: Simplify right side
    68,835,151.08x = 3,749,498,964,343,681.50
  5. Step 5: Solve for x
    x = 3,749,498,964,343,681.50/68,835,151.08
  6. Step 6: Final answer
    x = 54,470,701.46

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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.