Home / 86,718,908,190.72-119,672,437,675.16-48,654,629,912.87

Finding the Fourth Proportional to 86,718,908,190.72, 119,672,437,675.16 and 48,654,629,912.87

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Solution

The fourth proportional to 86,718,908,190.72, 119,672,437,675.16 and 48,654,629,912.87 is: 67,143,582,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,718,908,190.72 : 119,672,437,675.16 = 48,654,629,912.87 : x
  2. Step 2: Convert to fraction form
    86,718,908,190.72/119,672,437,675.16 = 48,654,629,912.87/x
  3. Step 3: Cross multiply
    86,718,908,190.72x = 119,672,437,675.16 × 48,654,629,912.87
  4. Step 4: Simplify right side
    86,718,908,190.72x = 5,822,618,165,855,791,349,760
  5. Step 5: Solve for x
    x = 5,822,618,165,855,791,349,760/86,718,908,190.72
  6. Step 6: Final answer
    x = 67,143,582,493.57

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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.