Home / 191,542,540.81-287,313,815.03-45,976,102.22

Finding the Fourth Proportional to 191,542,540.81, 287,313,815.03 and 45,976,102.22

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Solution

The fourth proportional to 191,542,540.81, 287,313,815.03 and 45,976,102.22 is: 68,964,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,542,540.81 : 287,313,815.03 = 45,976,102.22 : x
  2. Step 2: Convert to fraction form
    191,542,540.81/287,313,815.03 = 45,976,102.22/x
  3. Step 3: Cross multiply
    191,542,540.81x = 287,313,815.03 × 45,976,102.22
  4. Step 4: Simplify right side
    191,542,540.81x = 13,209,569,329,037,450
  5. Step 5: Solve for x
    x = 13,209,569,329,037,450/191,542,540.81
  6. Step 6: Final answer
    x = 68,964,154.25

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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.