Home / 43,333,993.71-65,029,157.61-18,765,913.68

Finding the Fourth Proportional to 43,333,993.71, 65,029,157.61 and 18,765,913.68

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Solution

The fourth proportional to 43,333,993.71, 65,029,157.61 and 18,765,913.68 is: 28,161,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333,993.71 : 65,029,157.61 = 18,765,913.68 : x
  2. Step 2: Convert to fraction form
    43,333,993.71/65,029,157.61 = 18,765,913.68/x
  3. Step 3: Cross multiply
    43,333,993.71x = 65,029,157.61 × 18,765,913.68
  4. Step 4: Simplify right side
    43,333,993.71x = 1,220,331,558,322,003
  5. Step 5: Solve for x
    x = 1,220,331,558,322,003/43,333,993.71
  6. Step 6: Final answer
    x = 28,161,068.34

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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.