Home / 81,117,569.48-111,942,094.40-43,948,773.54

Finding the Fourth Proportional to 81,117,569.48, 111,942,094.40 and 43,948,773.54

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Solution

The fourth proportional to 81,117,569.48, 111,942,094.40 and 43,948,773.54 is: 60,649,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,117,569.48 : 111,942,094.40 = 43,948,773.54 : x
  2. Step 2: Convert to fraction form
    81,117,569.48/111,942,094.40 = 43,948,773.54/x
  3. Step 3: Cross multiply
    81,117,569.48x = 111,942,094.40 × 43,948,773.54
  4. Step 4: Simplify right side
    81,117,569.48x = 4,919,717,756,323,966
  5. Step 5: Solve for x
    x = 4,919,717,756,323,966/81,117,569.48
  6. Step 6: Final answer
    x = 60,649,225.42

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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.