Home / 68,909,920.80-95,099,926.80-37,970,082

Finding the Fourth Proportional to 68,909,920.80, 95,099,926.80 and 37,970,082

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Solution

The fourth proportional to 68,909,920.80, 95,099,926.80 and 37,970,082 is: 52,401,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,909,920.80 : 95,099,926.80 = 37,970,082 : x
  2. Step 2: Convert to fraction form
    68,909,920.80/95,099,926.80 = 37,970,082/x
  3. Step 3: Cross multiply
    68,909,920.80x = 95,099,926.80 × 37,970,082
  4. Step 4: Simplify right side
    68,909,920.80x = 3,610,952,018,789,997.50
  5. Step 5: Solve for x
    x = 3,610,952,018,789,997.50/68,909,920.80
  6. Step 6: Final answer
    x = 52,401,047.29

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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.