Home / 195,434,080.80-292,964,497.20-72,579,501.60

Finding the Fourth Proportional to 195,434,080.80, 292,964,497.20 and 72,579,501.60

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Solution

The fourth proportional to 195,434,080.80, 292,964,497.20 and 72,579,501.60 is: 108,799,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,434,080.80 : 292,964,497.20 = 72,579,501.60 : x
  2. Step 2: Convert to fraction form
    195,434,080.80/292,964,497.20 = 72,579,501.60/x
  3. Step 3: Cross multiply
    195,434,080.80x = 292,964,497.20 × 72,579,501.60
  4. Step 4: Simplify right side
    195,434,080.80x = 21,263,217,193,270,592
  5. Step 5: Solve for x
    x = 21,263,217,193,270,592/195,434,080.80
  6. Step 6: Final answer
    x = 108,799,944.75

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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.