Home / 105,230,783.70-157,846,175.55-66,488,734.80

Finding the Fourth Proportional to 105,230,783.70, 157,846,175.55 and 66,488,734.80

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Solution

The fourth proportional to 105,230,783.70, 157,846,175.55 and 66,488,734.80 is: 99,733,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,230,783.70 : 157,846,175.55 = 66,488,734.80 : x
  2. Step 2: Convert to fraction form
    105,230,783.70/157,846,175.55 = 66,488,734.80/x
  3. Step 3: Cross multiply
    105,230,783.70x = 157,846,175.55 × 66,488,734.80
  4. Step 4: Simplify right side
    105,230,783.70x = 10,494,992,505,338,194
  5. Step 5: Solve for x
    x = 10,494,992,505,338,194/105,230,783.70
  6. Step 6: Final answer
    x = 99,733,102.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.