Home / 207,242,777.20-310,864,165.80-146,726,834.80

Finding the Fourth Proportional to 207,242,777.20, 310,864,165.80 and 146,726,834.80

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Solution

The fourth proportional to 207,242,777.20, 310,864,165.80 and 146,726,834.80 is: 220,090,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,242,777.20 : 310,864,165.80 = 146,726,834.80 : x
  2. Step 2: Convert to fraction form
    207,242,777.20/310,864,165.80 = 146,726,834.80/x
  3. Step 3: Cross multiply
    207,242,777.20x = 310,864,165.80 × 146,726,834.80
  4. Step 4: Simplify right side
    207,242,777.20x = 45,612,115,100,576,416
  5. Step 5: Solve for x
    x = 45,612,115,100,576,416/207,242,777.20
  6. Step 6: Final answer
    x = 220,090,252.20

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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.