Home / 121,120,545.60-181,722,808.80-53,012,116.80

Finding the Fourth Proportional to 121,120,545.60, 181,722,808.80 and 53,012,116.80

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Solution

The fourth proportional to 121,120,545.60, 181,722,808.80 and 53,012,116.80 is: 79,536,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,120,545.60 : 181,722,808.80 = 53,012,116.80 : x
  2. Step 2: Convert to fraction form
    121,120,545.60/181,722,808.80 = 53,012,116.80/x
  3. Step 3: Cross multiply
    121,120,545.60x = 181,722,808.80 × 53,012,116.80
  4. Step 4: Simplify right side
    121,120,545.60x = 9,633,510,765,329,668
  5. Step 5: Solve for x
    x = 9,633,510,765,329,668/121,120,545.60
  6. Step 6: Final answer
    x = 79,536,553.58

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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.