Home / 103,723,741.22-143,138,715.64-57,313,589.18

Finding the Fourth Proportional to 103,723,741.22, 143,138,715.64 and 57,313,589.18

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Solution

The fourth proportional to 103,723,741.22, 143,138,715.64 and 57,313,589.18 is: 79,092,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723,741.22 : 143,138,715.64 = 57,313,589.18 : x
  2. Step 2: Convert to fraction form
    103,723,741.22/143,138,715.64 = 57,313,589.18/x
  3. Step 3: Cross multiply
    103,723,741.22x = 143,138,715.64 × 57,313,589.18
  4. Step 4: Simplify right side
    103,723,741.22x = 8,203,793,543,084,822
  5. Step 5: Solve for x
    x = 8,203,793,543,084,822/103,723,741.22
  6. Step 6: Final answer
    x = 79,092,726.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.