Home / 149,216,242-223,576,918.53-90,747,066.73

Finding the Fourth Proportional to 149,216,242, 223,576,918.53 and 90,747,066.73

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Solution

The fourth proportional to 149,216,242, 223,576,918.53 and 90,747,066.73 is: 135,970,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,216,242 : 223,576,918.53 = 90,747,066.73 : x
  2. Step 2: Convert to fraction form
    149,216,242/223,576,918.53 = 90,747,066.73/x
  3. Step 3: Cross multiply
    149,216,242x = 223,576,918.53 × 90,747,066.73
  4. Step 4: Simplify right side
    149,216,242x = 20,288,949,545,129,684
  5. Step 5: Solve for x
    x = 20,288,949,545,129,684/149,216,242
  6. Step 6: Final answer
    x = 135,970,114.74

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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.