Home / 303,563,263.37-418,917,438.70-164,334,020.63

Finding the Fourth Proportional to 303,563,263.37, 418,917,438.70 and 164,334,020.63

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Solution

The fourth proportional to 303,563,263.37, 418,917,438.70 and 164,334,020.63 is: 226,781,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,563,263.37 : 418,917,438.70 = 164,334,020.63 : x
  2. Step 2: Convert to fraction form
    303,563,263.37/418,917,438.70 = 164,334,020.63/x
  3. Step 3: Cross multiply
    303,563,263.37x = 418,917,438.70 × 164,334,020.63
  4. Step 4: Simplify right side
    303,563,263.37x = 68,842,387,011,087,136
  5. Step 5: Solve for x
    x = 68,842,387,011,087,136/303,563,263.37
  6. Step 6: Final answer
    x = 226,781,021.68

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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.