Home / 43,158,023.98-64,693,415.22-18,581,981.22

Finding the Fourth Proportional to 43,158,023.98, 64,693,415.22 and 18,581,981.22

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Solution

The fourth proportional to 43,158,023.98, 64,693,415.22 and 18,581,981.22 is: 27,854,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,158,023.98 : 64,693,415.22 = 18,581,981.22 : x
  2. Step 2: Convert to fraction form
    43,158,023.98/64,693,415.22 = 18,581,981.22/x
  3. Step 3: Cross multiply
    43,158,023.98x = 64,693,415.22 × 18,581,981.22
  4. Step 4: Simplify right side
    43,158,023.98x = 1,202,131,826,675,702
  5. Step 5: Solve for x
    x = 1,202,131,826,675,702/43,158,023.98
  6. Step 6: Final answer
    x = 27,854,190.62

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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.