Home / 74,858,848.97-103,158,055.57-57,237,717.03

Finding the Fourth Proportional to 74,858,848.97, 103,158,055.57 and 57,237,717.03

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Solution

The fourth proportional to 74,858,848.97, 103,158,055.57 and 57,237,717.03 is: 78,875,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,858,848.97 : 103,158,055.57 = 57,237,717.03 : x
  2. Step 2: Convert to fraction form
    74,858,848.97/103,158,055.57 = 57,237,717.03/x
  3. Step 3: Cross multiply
    74,858,848.97x = 103,158,055.57 × 57,237,717.03
  4. Step 4: Simplify right side
    74,858,848.97x = 5,904,531,594,077,199
  5. Step 5: Solve for x
    x = 5,904,531,594,077,199/74,858,848.97
  6. Step 6: Final answer
    x = 78,875,532.76

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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.