Home / 117,515,076.80-176,060,038.80-100,508,964.80

Finding the Fourth Proportional to 117,515,076.80, 176,060,038.80 and 100,508,964.80

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Solution

The fourth proportional to 117,515,076.80, 176,060,038.80 and 100,508,964.80 is: 150,581,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,076.80 : 176,060,038.80 = 100,508,964.80 : x
  2. Step 2: Convert to fraction form
    117,515,076.80/176,060,038.80 = 100,508,964.80/x
  3. Step 3: Cross multiply
    117,515,076.80x = 176,060,038.80 × 100,508,964.80
  4. Step 4: Simplify right side
    117,515,076.80x = 17,695,612,242,435,834
  5. Step 5: Solve for x
    x = 17,695,612,242,435,834/117,515,076.80
  6. Step 6: Final answer
    x = 150,581,633.64

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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.