Home / 117,421,243.20-176,131,864.80-40,752,021.60

Finding the Fourth Proportional to 117,421,243.20, 176,131,864.80 and 40,752,021.60

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Solution

The fourth proportional to 117,421,243.20, 176,131,864.80 and 40,752,021.60 is: 61,128,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,421,243.20 : 176,131,864.80 = 40,752,021.60 : x
  2. Step 2: Convert to fraction form
    117,421,243.20/176,131,864.80 = 40,752,021.60/x
  3. Step 3: Cross multiply
    117,421,243.20x = 176,131,864.80 × 40,752,021.60
  4. Step 4: Simplify right side
    117,421,243.20x = 7,177,729,558,777,880
  5. Step 5: Solve for x
    x = 7,177,729,558,777,880/117,421,243.20
  6. Step 6: Final answer
    x = 61,128,032.40

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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.