Home / 76,957,009.70-106,202,392.47-43,916,601.02

Finding the Fourth Proportional to 76,957,009.70, 106,202,392.47 and 43,916,601.02

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Solution

The fourth proportional to 76,957,009.70, 106,202,392.47 and 43,916,601.02 is: 60,605,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,957,009.70 : 106,202,392.47 = 43,916,601.02 : x
  2. Step 2: Convert to fraction form
    76,957,009.70/106,202,392.47 = 43,916,601.02/x
  3. Step 3: Cross multiply
    76,957,009.70x = 106,202,392.47 × 43,916,601.02
  4. Step 4: Simplify right side
    76,957,009.70x = 4,664,048,097,474,443
  5. Step 5: Solve for x
    x = 4,664,048,097,474,443/76,957,009.70
  6. Step 6: Final answer
    x = 60,605,890.43

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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.