Home / 86,812,795.20-130,239,928.80-26,229,115.20

Finding the Fourth Proportional to 86,812,795.20, 130,239,928.80 and 26,229,115.20

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Solution

The fourth proportional to 86,812,795.20, 130,239,928.80 and 26,229,115.20 is: 39,349,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,812,795.20 : 130,239,928.80 = 26,229,115.20 : x
  2. Step 2: Convert to fraction form
    86,812,795.20/130,239,928.80 = 26,229,115.20/x
  3. Step 3: Cross multiply
    86,812,795.20x = 130,239,928.80 × 26,229,115.20
  4. Step 4: Simplify right side
    86,812,795.20x = 3,416,078,096,134,997.50
  5. Step 5: Solve for x
    x = 3,416,078,096,134,997.50/86,812,795.20
  6. Step 6: Final answer
    x = 39,349,937.85

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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.