Home / 191,520,338.40-287,317,832.40-82,345,298.40

Finding the Fourth Proportional to 191,520,338.40, 287,317,832.40 and 82,345,298.40

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Solution

The fourth proportional to 191,520,338.40, 287,317,832.40 and 82,345,298.40 is: 123,533,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,338.40 : 287,317,832.40 = 82,345,298.40 : x
  2. Step 2: Convert to fraction form
    191,520,338.40/287,317,832.40 = 82,345,298.40/x
  3. Step 3: Cross multiply
    191,520,338.40x = 287,317,832.40 × 82,345,298.40
  4. Step 4: Simplify right side
    191,520,338.40x = 23,659,272,644,619,188
  5. Step 5: Solve for x
    x = 23,659,272,644,619,188/191,520,338.40
  6. Step 6: Final answer
    x = 123,533,995.62

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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.