Home / 202,128,731.40-303,193,097.10-186,823,230.60

Finding the Fourth Proportional to 202,128,731.40, 303,193,097.10 and 186,823,230.60

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Solution

The fourth proportional to 202,128,731.40, 303,193,097.10 and 186,823,230.60 is: 280,234,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,128,731.40 : 303,193,097.10 = 186,823,230.60 : x
  2. Step 2: Convert to fraction form
    202,128,731.40/303,193,097.10 = 186,823,230.60/x
  3. Step 3: Cross multiply
    202,128,731.40x = 303,193,097.10 × 186,823,230.60
  4. Step 4: Simplify right side
    202,128,731.40x = 56,643,513,895,841,496
  5. Step 5: Solve for x
    x = 56,643,513,895,841,496/202,128,731.40
  6. Step 6: Final answer
    x = 280,234,845.90

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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.