Home / 103,349,821.86-155,055,049.83-30,568,522.50

Finding the Fourth Proportional to 103,349,821.86, 155,055,049.83 and 30,568,522.50

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Solution

The fourth proportional to 103,349,821.86, 155,055,049.83 and 30,568,522.50 is: 45,861,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349,821.86 : 155,055,049.83 = 30,568,522.50 : x
  2. Step 2: Convert to fraction form
    103,349,821.86/155,055,049.83 = 30,568,522.50/x
  3. Step 3: Cross multiply
    103,349,821.86x = 155,055,049.83 × 30,568,522.50
  4. Step 4: Simplify right side
    103,349,821.86x = 4,739,803,779,466,977
  5. Step 5: Solve for x
    x = 4,739,803,779,466,977/103,349,821.86
  6. Step 6: Final answer
    x = 45,861,750.84

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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.