Home / 68,502,234.90-94,441,635.45-54,420,145.32

Finding the Fourth Proportional to 68,502,234.90, 94,441,635.45 and 54,420,145.32

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Solution

The fourth proportional to 68,502,234.90, 94,441,635.45 and 54,420,145.32 is: 75,027,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,502,234.90 : 94,441,635.45 = 54,420,145.32 : x
  2. Step 2: Convert to fraction form
    68,502,234.90/94,441,635.45 = 54,420,145.32/x
  3. Step 3: Cross multiply
    68,502,234.90x = 94,441,635.45 × 54,420,145.32
  4. Step 4: Simplify right side
    68,502,234.90x = 5,139,527,525,447,464
  5. Step 5: Solve for x
    x = 5,139,527,525,447,464/68,502,234.90
  6. Step 6: Final answer
    x = 75,027,151.06

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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.