Home / 100,927,155.51-139,279,535.64-54,517,429.93

Finding the Fourth Proportional to 100,927,155.51, 139,279,535.64 and 54,517,429.93

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Solution

The fourth proportional to 100,927,155.51, 139,279,535.64 and 54,517,429.93 is: 75,234,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,155.51 : 139,279,535.64 = 54,517,429.93 : x
  2. Step 2: Convert to fraction form
    100,927,155.51/139,279,535.64 = 54,517,429.93/x
  3. Step 3: Cross multiply
    100,927,155.51x = 139,279,535.64 × 54,517,429.93
  4. Step 4: Simplify right side
    100,927,155.51x = 7,593,162,324,936,637
  5. Step 5: Solve for x
    x = 7,593,162,324,936,637/100,927,155.51
  6. Step 6: Final answer
    x = 75,234,086.27

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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.