Home / 215,817,696.80-323,726,545.20-193,142,880.80

Finding the Fourth Proportional to 215,817,696.80, 323,726,545.20 and 193,142,880.80

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Solution

The fourth proportional to 215,817,696.80, 323,726,545.20 and 193,142,880.80 is: 289,714,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,817,696.80 : 323,726,545.20 = 193,142,880.80 : x
  2. Step 2: Convert to fraction form
    215,817,696.80/323,726,545.20 = 193,142,880.80/x
  3. Step 3: Cross multiply
    215,817,696.80x = 323,726,545.20 × 193,142,880.80
  4. Step 4: Simplify right side
    215,817,696.80x = 62,525,477,531,359,416
  5. Step 5: Solve for x
    x = 62,525,477,531,359,416/215,817,696.80
  6. Step 6: Final answer
    x = 289,714,321.20

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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.