Home / 194,231,872.80-291,347,809.20-133,009,869.60

Finding the Fourth Proportional to 194,231,872.80, 291,347,809.20 and 133,009,869.60

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Solution

The fourth proportional to 194,231,872.80, 291,347,809.20 and 133,009,869.60 is: 199,514,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,231,872.80 : 291,347,809.20 = 133,009,869.60 : x
  2. Step 2: Convert to fraction form
    194,231,872.80/291,347,809.20 = 133,009,869.60/x
  3. Step 3: Cross multiply
    194,231,872.80x = 291,347,809.20 × 133,009,869.60
  4. Step 4: Simplify right side
    194,231,872.80x = 38,752,134,109,937,680
  5. Step 5: Solve for x
    x = 38,752,134,109,937,680/194,231,872.80
  6. Step 6: Final answer
    x = 199,514,804.40

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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.