Home / 177,169,246.80-265,753,870.20-81,617,758.80

Finding the Fourth Proportional to 177,169,246.80, 265,753,870.20 and 81,617,758.80

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Solution

The fourth proportional to 177,169,246.80, 265,753,870.20 and 81,617,758.80 is: 122,426,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,169,246.80 : 265,753,870.20 = 81,617,758.80 : x
  2. Step 2: Convert to fraction form
    177,169,246.80/265,753,870.20 = 81,617,758.80/x
  3. Step 3: Cross multiply
    177,169,246.80x = 265,753,870.20 × 81,617,758.80
  4. Step 4: Simplify right side
    177,169,246.80x = 21,690,235,278,150,104
  5. Step 5: Solve for x
    x = 21,690,235,278,150,104/177,169,246.80
  6. Step 6: Final answer
    x = 122,426,638.20

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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.