Home / 291,632,861.88-402,263,718.48-187,045,273.08

Finding the Fourth Proportional to 291,632,861.88, 402,263,718.48 and 187,045,273.08

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Solution

The fourth proportional to 291,632,861.88, 402,263,718.48 and 187,045,273.08 is: 258,000,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,632,861.88 : 402,263,718.48 = 187,045,273.08 : x
  2. Step 2: Convert to fraction form
    291,632,861.88/402,263,718.48 = 187,045,273.08/x
  3. Step 3: Cross multiply
    291,632,861.88x = 402,263,718.48 × 187,045,273.08
  4. Step 4: Simplify right side
    291,632,861.88x = 75,241,527,073,267,856
  5. Step 5: Solve for x
    x = 75,241,527,073,267,856/291,632,861.88
  6. Step 6: Final answer
    x = 258,000,852.81

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Why These Related Problems?

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