Home / 49,619,885.91-68,465,407.92-28,989,346.29

Finding the Fourth Proportional to 49,619,885.91, 68,465,407.92 and 28,989,346.29

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Solution

The fourth proportional to 49,619,885.91, 68,465,407.92 and 28,989,346.29 is: 39,999,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619,885.91 : 68,465,407.92 = 28,989,346.29 : x
  2. Step 2: Convert to fraction form
    49,619,885.91/68,465,407.92 = 28,989,346.29/x
  3. Step 3: Cross multiply
    49,619,885.91x = 68,465,407.92 × 28,989,346.29
  4. Step 4: Simplify right side
    49,619,885.91x = 1,984,767,419,078,988.50
  5. Step 5: Solve for x
    x = 1,984,767,419,078,988.50/49,619,885.91
  6. Step 6: Final answer
    x = 39,999,435.36

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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.