Home / 236,406,155.43-354,220,129.77-80,874,941.28

Finding the Fourth Proportional to 236,406,155.43, 354,220,129.77 and 80,874,941.28

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Solution

The fourth proportional to 236,406,155.43, 354,220,129.77 and 80,874,941.28 is: 121,179,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,406,155.43 : 354,220,129.77 = 80,874,941.28 : x
  2. Step 2: Convert to fraction form
    236,406,155.43/354,220,129.77 = 80,874,941.28/x
  3. Step 3: Cross multiply
    236,406,155.43x = 354,220,129.77 × 80,874,941.28
  4. Step 4: Simplify right side
    236,406,155.43x = 28,647,532,195,342,728
  5. Step 5: Solve for x
    x = 28,647,532,195,342,728/236,406,155.43
  6. Step 6: Final answer
    x = 121,179,299.00

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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.