Home / 213,715,225.20-320,572,837.80-201,810,946.80

Finding the Fourth Proportional to 213,715,225.20, 320,572,837.80 and 201,810,946.80

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Solution

The fourth proportional to 213,715,225.20, 320,572,837.80 and 201,810,946.80 is: 302,716,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,715,225.20 : 320,572,837.80 = 201,810,946.80 : x
  2. Step 2: Convert to fraction form
    213,715,225.20/320,572,837.80 = 201,810,946.80/x
  3. Step 3: Cross multiply
    213,715,225.20x = 320,572,837.80 × 201,810,946.80
  4. Step 4: Simplify right side
    213,715,225.20x = 64,695,107,914,780,832
  5. Step 5: Solve for x
    x = 64,695,107,914,780,832/213,715,225.20
  6. Step 6: Final answer
    x = 302,716,420.20

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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.