Home / 191,649,803.40-287,474,705.10-114,933,342.60

Finding the Fourth Proportional to 191,649,803.40, 287,474,705.10 and 114,933,342.60

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Solution

The fourth proportional to 191,649,803.40, 287,474,705.10 and 114,933,342.60 is: 172,400,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,649,803.40 : 287,474,705.10 = 114,933,342.60 : x
  2. Step 2: Convert to fraction form
    191,649,803.40/287,474,705.10 = 114,933,342.60/x
  3. Step 3: Cross multiply
    191,649,803.40x = 287,474,705.10 × 114,933,342.60
  4. Step 4: Simplify right side
    191,649,803.40x = 33,040,428,770,092,268
  5. Step 5: Solve for x
    x = 33,040,428,770,092,268/191,649,803.40
  6. Step 6: Final answer
    x = 172,400,013.90

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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.