Home / 258,304,173.12-387,550,738.08-120,195,648

Finding the Fourth Proportional to 258,304,173.12, 387,550,738.08 and 120,195,648

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Solution

The fourth proportional to 258,304,173.12, 387,550,738.08 and 120,195,648 is: 180,337,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,304,173.12 : 387,550,738.08 = 120,195,648 : x
  2. Step 2: Convert to fraction form
    258,304,173.12/387,550,738.08 = 120,195,648/x
  3. Step 3: Cross multiply
    258,304,173.12x = 387,550,738.08 × 120,195,648
  4. Step 4: Simplify right side
    258,304,173.12x = 46,581,912,096,403,872
  5. Step 5: Solve for x
    x = 46,581,912,096,403,872/258,304,173.12
  6. Step 6: Final answer
    x = 180,337,435.26

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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.