Home / 77,242,572-106,595,879.04-41,961,032.64

Finding the Fourth Proportional to 77,242,572, 106,595,879.04 and 41,961,032.64

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Solution

The fourth proportional to 77,242,572, 106,595,879.04 and 41,961,032.64 is: 57,906,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,242,572 : 106,595,879.04 = 41,961,032.64 : x
  2. Step 2: Convert to fraction form
    77,242,572/106,595,879.04 = 41,961,032.64/x
  3. Step 3: Cross multiply
    77,242,572x = 106,595,879.04 × 41,961,032.64
  4. Step 4: Simplify right side
    77,242,572x = 4,472,873,159,686,932
  5. Step 5: Solve for x
    x = 4,472,873,159,686,932/77,242,572
  6. Step 6: Final answer
    x = 57,906,838.73

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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.