Home / 140,685,516.36-194,156,783.11-88,519,267.80

Finding the Fourth Proportional to 140,685,516.36, 194,156,783.11 and 88,519,267.80

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Solution

The fourth proportional to 140,685,516.36, 194,156,783.11 and 88,519,267.80 is: 122,163,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,685,516.36 : 194,156,783.11 = 88,519,267.80 : x
  2. Step 2: Convert to fraction form
    140,685,516.36/194,156,783.11 = 88,519,267.80/x
  3. Step 3: Cross multiply
    140,685,516.36x = 194,156,783.11 × 88,519,267.80
  4. Step 4: Simplify right side
    140,685,516.36x = 17,186,616,279,300,608
  5. Step 5: Solve for x
    x = 17,186,616,279,300,608/140,685,516.36
  6. Step 6: Final answer
    x = 122,163,366.38

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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.