Home / 170,290,835.20-255,436,252.80-116,543,123.20

Finding the Fourth Proportional to 170,290,835.20, 255,436,252.80 and 116,543,123.20

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Solution

The fourth proportional to 170,290,835.20, 255,436,252.80 and 116,543,123.20 is: 174,814,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,290,835.20 : 255,436,252.80 = 116,543,123.20 : x
  2. Step 2: Convert to fraction form
    170,290,835.20/255,436,252.80 = 116,543,123.20/x
  3. Step 3: Cross multiply
    170,290,835.20x = 255,436,252.80 × 116,543,123.20
  4. Step 4: Simplify right side
    170,290,835.20x = 29,769,338,679,816,748
  5. Step 5: Solve for x
    x = 29,769,338,679,816,748/170,290,835.20
  6. Step 6: Final answer
    x = 174,814,684.80

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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.