Home / 78,953,272.67-108,948,204.33-43,670,318.45

Finding the Fourth Proportional to 78,953,272.67, 108,948,204.33 and 43,670,318.45

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Solution

The fourth proportional to 78,953,272.67, 108,948,204.33 and 43,670,318.45 is: 60,260,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,953,272.67 : 108,948,204.33 = 43,670,318.45 : x
  2. Step 2: Convert to fraction form
    78,953,272.67/108,948,204.33 = 43,670,318.45/x
  3. Step 3: Cross multiply
    78,953,272.67x = 108,948,204.33 × 43,670,318.45
  4. Step 4: Simplify right side
    78,953,272.67x = 4,757,802,777,102,028
  5. Step 5: Solve for x
    x = 4,757,802,777,102,028/78,953,272.67
  6. Step 6: Final answer
    x = 60,260,995.10

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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.