Home / 236,406,155.93-354,220,130.52-80,874,941.78

Finding the Fourth Proportional to 236,406,155.93, 354,220,130.52 and 80,874,941.78

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Solution

The fourth proportional to 236,406,155.93, 354,220,130.52 and 80,874,941.78 is: 121,179,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,406,155.93 : 354,220,130.52 = 80,874,941.78 : x
  2. Step 2: Convert to fraction form
    236,406,155.93/354,220,130.52 = 80,874,941.78/x
  3. Step 3: Cross multiply
    236,406,155.93x = 354,220,130.52 × 80,874,941.78
  4. Step 4: Simplify right side
    236,406,155.93x = 28,647,532,431,337,900
  5. Step 5: Solve for x
    x = 28,647,532,431,337,900/236,406,155.93
  6. Step 6: Final answer
    x = 121,179,299.75

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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.