Home / 186,936,487.20-280,404,730.80-106,314,919.20

Finding the Fourth Proportional to 186,936,487.20, 280,404,730.80 and 106,314,919.20

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Solution

The fourth proportional to 186,936,487.20, 280,404,730.80 and 106,314,919.20 is: 159,472,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,936,487.20 : 280,404,730.80 = 106,314,919.20 : x
  2. Step 2: Convert to fraction form
    186,936,487.20/280,404,730.80 = 106,314,919.20/x
  3. Step 3: Cross multiply
    186,936,487.20x = 280,404,730.80 × 106,314,919.20
  4. Step 4: Simplify right side
    186,936,487.20x = 29,811,206,298,299,752
  5. Step 5: Solve for x
    x = 29,811,206,298,299,752/186,936,487.20
  6. Step 6: Final answer
    x = 159,472,378.80

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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.