Home / 123,158,586.70-169,053,527.24-108,907,701.04

Finding the Fourth Proportional to 123,158,586.70, 169,053,527.24 and 108,907,701.04

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Solution

The fourth proportional to 123,158,586.70, 169,053,527.24 and 108,907,701.04 is: 149,492,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,158,586.70 : 169,053,527.24 = 108,907,701.04 : x
  2. Step 2: Convert to fraction form
    123,158,586.70/169,053,527.24 = 108,907,701.04/x
  3. Step 3: Cross multiply
    123,158,586.70x = 169,053,527.24 × 108,907,701.04
  4. Step 4: Simplify right side
    123,158,586.70x = 18,411,231,004,411,420
  5. Step 5: Solve for x
    x = 18,411,231,004,411,420/123,158,586.70
  6. Step 6: Final answer
    x = 149,492,061.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.