Home / 442,830,884.42-664,309,719.75-136,148,747.78

Finding the Fourth Proportional to 442,830,884.42, 664,309,719.75 and 136,148,747.78

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Solution

The fourth proportional to 442,830,884.42, 664,309,719.75 and 136,148,747.78 is: 204,242,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,830,884.42 : 664,309,719.75 = 136,148,747.78 : x
  2. Step 2: Convert to fraction form
    442,830,884.42/664,309,719.75 = 136,148,747.78/x
  3. Step 3: Cross multiply
    442,830,884.42x = 664,309,719.75 × 136,148,747.78
  4. Step 4: Simplify right side
    442,830,884.42x = 90,444,936,482,045,232
  5. Step 5: Solve for x
    x = 90,444,936,482,045,232/442,830,884.42
  6. Step 6: Final answer
    x = 204,242,611.94

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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.