Home / 140,221,057.59-210,331,303.68-131,688,183.06

Finding the Fourth Proportional to 140,221,057.59, 210,331,303.68 and 131,688,183.06

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Solution

The fourth proportional to 140,221,057.59, 210,331,303.68 and 131,688,183.06 is: 197,532,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,221,057.59 : 210,331,303.68 = 131,688,183.06 : x
  2. Step 2: Convert to fraction form
    140,221,057.59/210,331,303.68 = 131,688,183.06/x
  3. Step 3: Cross multiply
    140,221,057.59x = 210,331,303.68 × 131,688,183.06
  4. Step 4: Simplify right side
    140,221,057.59x = 27,698,147,222,260,292
  5. Step 5: Solve for x
    x = 27,698,147,222,260,292/140,221,057.59
  6. Step 6: Final answer
    x = 197,532,009.09

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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.