Home / 191,729,231.70-287,593,847.55-119,028,102.90

Finding the Fourth Proportional to 191,729,231.70, 287,593,847.55 and 119,028,102.90

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Solution

The fourth proportional to 191,729,231.70, 287,593,847.55 and 119,028,102.90 is: 178,542,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729,231.70 : 287,593,847.55 = 119,028,102.90 : x
  2. Step 2: Convert to fraction form
    191,729,231.70/287,593,847.55 = 119,028,102.90/x
  3. Step 3: Cross multiply
    191,729,231.70x = 287,593,847.55 × 119,028,102.90
  4. Step 4: Simplify right side
    191,729,231.70x = 34,231,750,079,588,316
  5. Step 5: Solve for x
    x = 34,231,750,079,588,316/191,729,231.70
  6. Step 6: Final answer
    x = 178,542,154.35

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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.