Home / 209,952,003.80-314,928,005.70-171,688,251.80

Finding the Fourth Proportional to 209,952,003.80, 314,928,005.70 and 171,688,251.80

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Solution

The fourth proportional to 209,952,003.80, 314,928,005.70 and 171,688,251.80 is: 257,532,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,003.80 : 314,928,005.70 = 171,688,251.80 : x
  2. Step 2: Convert to fraction form
    209,952,003.80/314,928,005.70 = 171,688,251.80/x
  3. Step 3: Cross multiply
    209,952,003.80x = 314,928,005.70 × 171,688,251.80
  4. Step 4: Simplify right side
    209,952,003.80x = 54,069,438,741,493,440
  5. Step 5: Solve for x
    x = 54,069,438,741,493,440/209,952,003.80
  6. Step 6: Final answer
    x = 257,532,377.70

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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.