Home / 134,137,980-185,111,435.34-74,600,109.36

Finding the Fourth Proportional to 134,137,980, 185,111,435.34 and 74,600,109.36

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Solution

The fourth proportional to 134,137,980, 185,111,435.34 and 74,600,109.36 is: 102,948,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137,980 : 185,111,435.34 = 74,600,109.36 : x
  2. Step 2: Convert to fraction form
    134,137,980/185,111,435.34 = 74,600,109.36/x
  3. Step 3: Cross multiply
    134,137,980x = 185,111,435.34 × 74,600,109.36
  4. Step 4: Simplify right side
    134,137,980x = 13,809,333,320,150,568
  5. Step 5: Solve for x
    x = 13,809,333,320,150,568/134,137,980
  6. Step 6: Final answer
    x = 102,948,719.82

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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.