Home / 101,066,813.81-139,472,623.36-54,657,067.74

Finding the Fourth Proportional to 101,066,813.81, 139,472,623.36 and 54,657,067.74

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Solution

The fourth proportional to 101,066,813.81, 139,472,623.36 and 54,657,067.74 is: 75,426,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,066,813.81 : 139,472,623.36 = 54,657,067.74 : x
  2. Step 2: Convert to fraction form
    101,066,813.81/139,472,623.36 = 54,657,067.74/x
  3. Step 3: Cross multiply
    101,066,813.81x = 139,472,623.36 × 54,657,067.74
  4. Step 4: Simplify right side
    101,066,813.81x = 7,623,164,622,589,741
  5. Step 5: Solve for x
    x = 7,623,164,622,589,741/101,066,813.81
  6. Step 6: Final answer
    x = 75,426,980.78

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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.