Home / 142,990,607.70-214,485,911.55-40,741,359.30

Finding the Fourth Proportional to 142,990,607.70, 214,485,911.55 and 40,741,359.30

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Solution

The fourth proportional to 142,990,607.70, 214,485,911.55 and 40,741,359.30 is: 61,112,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,990,607.70 : 214,485,911.55 = 40,741,359.30 : x
  2. Step 2: Convert to fraction form
    142,990,607.70/214,485,911.55 = 40,741,359.30/x
  3. Step 3: Cross multiply
    142,990,607.70x = 214,485,911.55 × 40,741,359.30
  4. Step 4: Simplify right side
    142,990,607.70x = 8,738,447,587,246,570
  5. Step 5: Solve for x
    x = 8,738,447,587,246,570/142,990,607.70
  6. Step 6: Final answer
    x = 61,112,038.95

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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.