Home / 137,824,445.43-190,201,791.78-75,948,769.80

Finding the Fourth Proportional to 137,824,445.43, 190,201,791.78 and 75,948,769.80

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Solution

The fourth proportional to 137,824,445.43, 190,201,791.78 and 75,948,769.80 is: 104,811,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,824,445.43 : 190,201,791.78 = 75,948,769.80 : x
  2. Step 2: Convert to fraction form
    137,824,445.43/190,201,791.78 = 75,948,769.80/x
  3. Step 3: Cross multiply
    137,824,445.43x = 190,201,791.78 × 75,948,769.80
  4. Step 4: Simplify right side
    137,824,445.43x = 14,445,592,099,446,752
  5. Step 5: Solve for x
    x = 14,445,592,099,446,752/137,824,445.43
  6. Step 6: Final answer
    x = 104,811,538.00

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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.