Home / 76,841,568.14-106,043,877.47-43,801,217.78

Finding the Fourth Proportional to 76,841,568.14, 106,043,877.47 and 43,801,217.78

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Solution

The fourth proportional to 76,841,568.14, 106,043,877.47 and 43,801,217.78 is: 60,447,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,568.14 : 106,043,877.47 = 43,801,217.78 : x
  2. Step 2: Convert to fraction form
    76,841,568.14/106,043,877.47 = 43,801,217.78/x
  3. Step 3: Cross multiply
    76,841,568.14x = 106,043,877.47 × 43,801,217.78
  4. Step 4: Simplify right side
    76,841,568.14x = 4,644,850,970,878,389
  5. Step 5: Solve for x
    x = 4,644,850,970,878,389/76,841,568.14
  6. Step 6: Final answer
    x = 60,447,113.24

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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.