Home / 77,242,628.36-106,466,786.16-75,198,060.56

Finding the Fourth Proportional to 77,242,628.36, 106,466,786.16 and 75,198,060.56

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Solution

The fourth proportional to 77,242,628.36, 106,466,786.16 and 75,198,060.56 is: 103,648,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,242,628.36 : 106,466,786.16 = 75,198,060.56 : x
  2. Step 2: Convert to fraction form
    77,242,628.36/106,466,786.16 = 75,198,060.56/x
  3. Step 3: Cross multiply
    77,242,628.36x = 106,466,786.16 × 75,198,060.56
  4. Step 4: Simplify right side
    77,242,628.36x = 8,006,095,833,288,250
  5. Step 5: Solve for x
    x = 8,006,095,833,288,250/77,242,628.36
  6. Step 6: Final answer
    x = 103,648,671.77

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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.