Home / 68,103,640.68-93,985,008.92-37,165,802.72

Finding the Fourth Proportional to 68,103,640.68, 93,985,008.92 and 37,165,802.72

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Solution

The fourth proportional to 68,103,640.68, 93,985,008.92 and 37,165,802.72 is: 51,289,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103,640.68 : 93,985,008.92 = 37,165,802.72 : x
  2. Step 2: Convert to fraction form
    68,103,640.68/93,985,008.92 = 37,165,802.72/x
  3. Step 3: Cross multiply
    68,103,640.68x = 93,985,008.92 × 37,165,802.72
  4. Step 4: Simplify right side
    68,103,640.68x = 3,493,028,300,158,160
  5. Step 5: Solve for x
    x = 3,493,028,300,158,160/68,103,640.68
  6. Step 6: Final answer
    x = 51,289,890.90

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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.