Home / 43,333,998.77-65,029,165.20-18,765,918.74

Finding the Fourth Proportional to 43,333,998.77, 65,029,165.20 and 18,765,918.74

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Solution

The fourth proportional to 43,333,998.77, 65,029,165.20 and 18,765,918.74 is: 28,161,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333,998.77 : 65,029,165.20 = 18,765,918.74 : x
  2. Step 2: Convert to fraction form
    43,333,998.77/65,029,165.20 = 18,765,918.74/x
  3. Step 3: Cross multiply
    43,333,998.77x = 65,029,165.20 × 18,765,918.74
  4. Step 4: Simplify right side
    43,333,998.77x = 1,220,332,030,035,808.75
  5. Step 5: Solve for x
    x = 1,220,332,030,035,808.75/43,333,998.77
  6. Step 6: Final answer
    x = 28,161,075.94

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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.