Home / 81,520,110.89-112,498,242.27-44,350,657.80

Finding the Fourth Proportional to 81,520,110.89, 112,498,242.27 and 44,350,657.80

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Solution

The fourth proportional to 81,520,110.89, 112,498,242.27 and 44,350,657.80 is: 61,204,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,520,110.89 : 112,498,242.27 = 44,350,657.80 : x
  2. Step 2: Convert to fraction form
    81,520,110.89/112,498,242.27 = 44,350,657.80/x
  3. Step 3: Cross multiply
    81,520,110.89x = 112,498,242.27 × 44,350,657.80
  4. Step 4: Simplify right side
    81,520,110.89x = 4,989,371,046,312,579
  5. Step 5: Solve for x
    x = 4,989,371,046,312,579/81,520,110.89
  6. Step 6: Final answer
    x = 61,204,173.94

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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.