Home / 137,713,375.44-190,030,009.68-78,155,705.58

Finding the Fourth Proportional to 137,713,375.44, 190,030,009.68 and 78,155,705.58

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Solution

The fourth proportional to 137,713,375.44, 190,030,009.68 and 78,155,705.58 is: 107,846,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,713,375.44 : 190,030,009.68 = 78,155,705.58 : x
  2. Step 2: Convert to fraction form
    137,713,375.44/190,030,009.68 = 78,155,705.58/x
  3. Step 3: Cross multiply
    137,713,375.44x = 190,030,009.68 × 78,155,705.58
  4. Step 4: Simplify right side
    137,713,375.44x = 14,851,929,487,914,630
  5. Step 5: Solve for x
    x = 14,851,929,487,914,630/137,713,375.44
  6. Step 6: Final answer
    x = 107,846,673.86

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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.