Home / 43,426,721.48-65,152,689.60-17,505,645.68

Finding the Fourth Proportional to 43,426,721.48, 65,152,689.60 and 17,505,645.68

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Solution

The fourth proportional to 43,426,721.48, 65,152,689.60 and 17,505,645.68 is: 26,263,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426,721.48 : 65,152,689.60 = 17,505,645.68 : x
  2. Step 2: Convert to fraction form
    43,426,721.48/65,152,689.60 = 17,505,645.68/x
  3. Step 3: Cross multiply
    43,426,721.48x = 65,152,689.60 × 17,505,645.68
  4. Step 4: Simplify right side
    43,426,721.48x = 1,140,539,899,236,621
  5. Step 5: Solve for x
    x = 1,140,539,899,236,621/43,426,721.48
  6. Step 6: Final answer
    x = 26,263,550.65

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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.