Home / 286,164,121.80-429,530,957.10-132,844,902.60

Finding the Fourth Proportional to 286,164,121.80, 429,530,957.10 and 132,844,902.60

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Solution

The fourth proportional to 286,164,121.80, 429,530,957.10 and 132,844,902.60 is: 199,399,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,164,121.80 : 429,530,957.10 = 132,844,902.60 : x
  2. Step 2: Convert to fraction form
    286,164,121.80/429,530,957.10 = 132,844,902.60/x
  3. Step 3: Cross multiply
    286,164,121.80x = 429,530,957.10 × 132,844,902.60
  4. Step 4: Simplify right side
    286,164,121.80x = 57,060,998,159,634,280
  5. Step 5: Solve for x
    x = 57,060,998,159,634,280/286,164,121.80
  6. Step 6: Final answer
    x = 199,399,553.66

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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.