Home / 77,333,661.28-106,723,221.60-42,529,043.44

Finding the Fourth Proportional to 77,333,661.28, 106,723,221.60 and 42,529,043.44

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Solution

The fourth proportional to 77,333,661.28, 106,723,221.60 and 42,529,043.44 is: 58,691,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333,661.28 : 106,723,221.60 = 42,529,043.44 : x
  2. Step 2: Convert to fraction form
    77,333,661.28/106,723,221.60 = 42,529,043.44/x
  3. Step 3: Cross multiply
    77,333,661.28x = 106,723,221.60 × 42,529,043.44
  4. Step 4: Simplify right side
    77,333,661.28x = 4,538,836,527,483,146
  5. Step 5: Solve for x
    x = 4,538,836,527,483,146/77,333,661.28
  6. Step 6: Final answer
    x = 58,691,602.76

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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.