Home / 72,167,290-108,261,741.21-26,119,933.18

Finding the Fourth Proportional to 72,167,290, 108,261,741.21 and 26,119,933.18

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Solution

The fourth proportional to 72,167,290, 108,261,741.21 and 26,119,933.18 is: 39,183,810.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167,290 : 108,261,741.21 = 26,119,933.18 : x
  2. Step 2: Convert to fraction form
    72,167,290/108,261,741.21 = 26,119,933.18/x
  3. Step 3: Cross multiply
    72,167,290x = 108,261,741.21 × 26,119,933.18
  4. Step 4: Simplify right side
    72,167,290x = 2,827,789,446,355,652
  5. Step 5: Solve for x
    x = 2,827,789,446,355,652/72,167,290
  6. Step 6: Final answer
    x = 39,183,810.93

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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.