Home / 374,702,185.50-517,143,130.17-215,901,906.09

Finding the Fourth Proportional to 374,702,185.50, 517,143,130.17 and 215,901,906.09

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Solution

The fourth proportional to 374,702,185.50, 517,143,130.17 and 215,901,906.09 is: 297,975,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,702,185.50 : 517,143,130.17 = 215,901,906.09 : x
  2. Step 2: Convert to fraction form
    374,702,185.50/517,143,130.17 = 215,901,906.09/x
  3. Step 3: Cross multiply
    374,702,185.50x = 517,143,130.17 × 215,901,906.09
  4. Step 4: Simplify right side
    374,702,185.50x = 111,652,187,525,051,984
  5. Step 5: Solve for x
    x = 111,652,187,525,051,984/374,702,185.50
  6. Step 6: Final answer
    x = 297,975,810.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.