Home / 71,496,328.50-98,662,028.13-40,555,833.48

Finding the Fourth Proportional to 71,496,328.50, 98,662,028.13 and 40,555,833.48

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Solution

The fourth proportional to 71,496,328.50, 98,662,028.13 and 40,555,833.48 is: 55,965,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496,328.50 : 98,662,028.13 = 40,555,833.48 : x
  2. Step 2: Convert to fraction form
    71,496,328.50/98,662,028.13 = 40,555,833.48/x
  3. Step 3: Cross multiply
    71,496,328.50x = 98,662,028.13 × 40,555,833.48
  4. Step 4: Simplify right side
    71,496,328.50x = 4,001,320,783,639,355.50
  5. Step 5: Solve for x
    x = 4,001,320,783,639,355.50/71,496,328.50
  6. Step 6: Final answer
    x = 55,965,402.25

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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.