Home / 67,715,328.92-93,455,131.32-40,213,257.17

Finding the Fourth Proportional to 67,715,328.92, 93,455,131.32 and 40,213,257.17

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Solution

The fourth proportional to 67,715,328.92, 93,455,131.32 and 40,213,257.17 is: 55,499,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715,328.92 : 93,455,131.32 = 40,213,257.17 : x
  2. Step 2: Convert to fraction form
    67,715,328.92/93,455,131.32 = 40,213,257.17/x
  3. Step 3: Cross multiply
    67,715,328.92x = 93,455,131.32 × 40,213,257.17
  4. Step 4: Simplify right side
    67,715,328.92x = 3,758,135,229,160,005.50
  5. Step 5: Solve for x
    x = 3,758,135,229,160,005.50/67,715,328.92
  6. Step 6: Final answer
    x = 55,499,032.34

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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.