Home / 123,385,859.46-183,975,687.87-119,995,930.18

Finding the Fourth Proportional to 123,385,859.46, 183,975,687.87 and 119,995,930.18

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Solution

The fourth proportional to 123,385,859.46, 183,975,687.87 and 119,995,930.18 is: 178,921,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,859.46 : 183,975,687.87 = 119,995,930.18 : x
  2. Step 2: Convert to fraction form
    123,385,859.46/183,975,687.87 = 119,995,930.18/x
  3. Step 3: Cross multiply
    123,385,859.46x = 183,975,687.87 × 119,995,930.18
  4. Step 4: Simplify right side
    123,385,859.46x = 22,076,333,796,465,996
  5. Step 5: Solve for x
    x = 22,076,333,796,465,996/123,385,859.46
  6. Step 6: Final answer
    x = 178,921,100.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.