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Finding the Fourth Proportional to 162,971,359.80, 244,457,039.70 and 53,813,378.40

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Solution

The fourth proportional to 162,971,359.80, 244,457,039.70 and 53,813,378.40 is: 80,720,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,971,359.80 : 244,457,039.70 = 53,813,378.40 : x
  2. Step 2: Convert to fraction form
    162,971,359.80/244,457,039.70 = 53,813,378.40/x
  3. Step 3: Cross multiply
    162,971,359.80x = 244,457,039.70 × 53,813,378.40
  4. Step 4: Simplify right side
    162,971,359.80x = 13,155,059,179,919,922
  5. Step 5: Solve for x
    x = 13,155,059,179,919,922/162,971,359.80
  6. Step 6: Final answer
    x = 80,720,067.60

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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.