Home / 162,971,321.80-244,456,982.70-53,813,340.40

Finding the Fourth Proportional to 162,971,321.80, 244,456,982.70 and 53,813,340.40

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Solution

The fourth proportional to 162,971,321.80, 244,456,982.70 and 53,813,340.40 is: 80,720,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,971,321.80 : 244,456,982.70 = 53,813,340.40 : x
  2. Step 2: Convert to fraction form
    162,971,321.80/244,456,982.70 = 53,813,340.40/x
  3. Step 3: Cross multiply
    162,971,321.80x = 244,456,982.70 × 53,813,340.40
  4. Step 4: Simplify right side
    162,971,321.80x = 13,155,046,823,192,010
  5. Step 5: Solve for x
    x = 13,155,046,823,192,010/162,971,321.80
  6. Step 6: Final answer
    x = 80,720,010.60

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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.