Home / 177,143,874.80-265,715,812.20-163,538,985.20

Finding the Fourth Proportional to 177,143,874.80, 265,715,812.20 and 163,538,985.20

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Solution

The fourth proportional to 177,143,874.80, 265,715,812.20 and 163,538,985.20 is: 245,308,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,874.80 : 265,715,812.20 = 163,538,985.20 : x
  2. Step 2: Convert to fraction form
    177,143,874.80/265,715,812.20 = 163,538,985.20/x
  3. Step 3: Cross multiply
    177,143,874.80x = 265,715,812.20 × 163,538,985.20
  4. Step 4: Simplify right side
    177,143,874.80x = 43,454,894,278,781,776
  5. Step 5: Solve for x
    x = 43,454,894,278,781,776/177,143,874.80
  6. Step 6: Final answer
    x = 245,308,477.80

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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.