Home / 193,090,207.20-289,635,310.80-111,460,869.60

Finding the Fourth Proportional to 193,090,207.20, 289,635,310.80 and 111,460,869.60

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Solution

The fourth proportional to 193,090,207.20, 289,635,310.80 and 111,460,869.60 is: 167,191,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,090,207.20 : 289,635,310.80 = 111,460,869.60 : x
  2. Step 2: Convert to fraction form
    193,090,207.20/289,635,310.80 = 111,460,869.60/x
  3. Step 3: Cross multiply
    193,090,207.20x = 289,635,310.80 × 111,460,869.60
  4. Step 4: Simplify right side
    193,090,207.20x = 32,283,003,608,634,272
  5. Step 5: Solve for x
    x = 32,283,003,608,634,272/193,090,207.20
  6. Step 6: Final answer
    x = 167,191,304.40

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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.