Home / 90,812,169.68-136,099,967.16-36,896,450

Finding the Fourth Proportional to 90,812,169.68, 136,099,967.16 and 36,896,450

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Solution

The fourth proportional to 90,812,169.68, 136,099,967.16 and 36,896,450 is: 55,296,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,812,169.68 : 136,099,967.16 = 36,896,450 : x
  2. Step 2: Convert to fraction form
    90,812,169.68/136,099,967.16 = 36,896,450/x
  3. Step 3: Cross multiply
    90,812,169.68x = 136,099,967.16 × 36,896,450
  4. Step 4: Simplify right side
    90,812,169.68x = 5,021,605,633,320,582
  5. Step 5: Solve for x
    x = 5,021,605,633,320,582/90,812,169.68
  6. Step 6: Final answer
    x = 55,296,615.54

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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.