Home / 130,822,801.20-196,234,201.80-39,946,244.40

Finding the Fourth Proportional to 130,822,801.20, 196,234,201.80 and 39,946,244.40

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Solution

The fourth proportional to 130,822,801.20, 196,234,201.80 and 39,946,244.40 is: 59,919,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,822,801.20 : 196,234,201.80 = 39,946,244.40 : x
  2. Step 2: Convert to fraction form
    130,822,801.20/196,234,201.80 = 39,946,244.40/x
  3. Step 3: Cross multiply
    130,822,801.20x = 196,234,201.80 × 39,946,244.40
  4. Step 4: Simplify right side
    130,822,801.20x = 7,838,819,384,741,720
  5. Step 5: Solve for x
    x = 7,838,819,384,741,720/130,822,801.20
  6. Step 6: Final answer
    x = 59,919,366.60

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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.