Home / 131,440,550.80-181,327,613.16-85,045,928.08

Finding the Fourth Proportional to 131,440,550.80, 181,327,613.16 and 85,045,928.08

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Solution

The fourth proportional to 131,440,550.80, 181,327,613.16 and 85,045,928.08 is: 117,324,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440,550.80 : 181,327,613.16 = 85,045,928.08 : x
  2. Step 2: Convert to fraction form
    131,440,550.80/181,327,613.16 = 85,045,928.08/x
  3. Step 3: Cross multiply
    131,440,550.80x = 181,327,613.16 × 85,045,928.08
  4. Step 4: Simplify right side
    131,440,550.80x = 15,421,175,147,723,420
  5. Step 5: Solve for x
    x = 15,421,175,147,723,420/131,440,550.80
  6. Step 6: Final answer
    x = 117,324,334.49

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