Home / 177,155,998.80-265,733,998.20-81,417,886.80

Finding the Fourth Proportional to 177,155,998.80, 265,733,998.20 and 81,417,886.80

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Solution

The fourth proportional to 177,155,998.80, 265,733,998.20 and 81,417,886.80 is: 122,126,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,155,998.80 : 265,733,998.20 = 81,417,886.80 : x
  2. Step 2: Convert to fraction form
    177,155,998.80/265,733,998.20 = 81,417,886.80/x
  3. Step 3: Cross multiply
    177,155,998.80x = 265,733,998.20 × 81,417,886.80
  4. Step 4: Simplify right side
    177,155,998.80x = 21,635,500,584,359,000
  5. Step 5: Solve for x
    x = 21,635,500,584,359,000/177,155,998.80
  6. Step 6: Final answer
    x = 122,126,830.20

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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.