Home / 118,546,676.55-177,994,818.90-66,126,770.28

Finding the Fourth Proportional to 118,546,676.55, 177,994,818.90 and 66,126,770.28

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Solution

The fourth proportional to 118,546,676.55, 177,994,818.90 and 66,126,770.28 is: 99,287,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,546,676.55 : 177,994,818.90 = 66,126,770.28 : x
  2. Step 2: Convert to fraction form
    118,546,676.55/177,994,818.90 = 66,126,770.28/x
  3. Step 3: Cross multiply
    118,546,676.55x = 177,994,818.90 × 66,126,770.28
  4. Step 4: Simplify right side
    118,546,676.55x = 11,770,222,500,430,502
  5. Step 5: Solve for x
    x = 11,770,222,500,430,502/118,546,676.55
  6. Step 6: Final answer
    x = 99,287,663.25

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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.