Home / 140,221,035.09-210,331,269.95-131,688,160.56

Finding the Fourth Proportional to 140,221,035.09, 210,331,269.95 and 131,688,160.56

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Solution

The fourth proportional to 140,221,035.09, 210,331,269.95 and 131,688,160.56 is: 197,531,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,221,035.09 : 210,331,269.95 = 131,688,160.56 : x
  2. Step 2: Convert to fraction form
    140,221,035.09/210,331,269.95 = 131,688,160.56/x
  3. Step 3: Cross multiply
    140,221,035.09x = 210,331,269.95 × 131,688,160.56
  4. Step 4: Simplify right side
    140,221,035.09x = 27,698,138,047,305,860
  5. Step 5: Solve for x
    x = 27,698,138,047,305,860/140,221,035.09
  6. Step 6: Final answer
    x = 197,531,975.35

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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.