Home / 76,841,447.64-106,043,728.14-42,033,343.56

Finding the Fourth Proportional to 76,841,447.64, 106,043,728.14 and 42,033,343.56

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Solution

The fourth proportional to 76,841,447.64, 106,043,728.14 and 42,033,343.56 is: 58,007,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,447.64 : 106,043,728.14 = 42,033,343.56 : x
  2. Step 2: Convert to fraction form
    76,841,447.64/106,043,728.14 = 42,033,343.56/x
  3. Step 3: Cross multiply
    76,841,447.64x = 106,043,728.14 × 42,033,343.56
  4. Step 4: Simplify right side
    76,841,447.64x = 4,457,372,457,291,860
  5. Step 5: Solve for x
    x = 4,457,372,457,291,860/76,841,447.64
  6. Step 6: Final answer
    x = 58,007,398.28

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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.