Home / 254,668,223.20-382,002,334.80-72,915,401.20

Finding the Fourth Proportional to 254,668,223.20, 382,002,334.80 and 72,915,401.20

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Solution

The fourth proportional to 254,668,223.20, 382,002,334.80 and 72,915,401.20 is: 109,373,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,668,223.20 : 382,002,334.80 = 72,915,401.20 : x
  2. Step 2: Convert to fraction form
    254,668,223.20/382,002,334.80 = 72,915,401.20/x
  3. Step 3: Cross multiply
    254,668,223.20x = 382,002,334.80 × 72,915,401.20
  4. Step 4: Simplify right side
    254,668,223.20x = 27,853,853,501,278,724
  5. Step 5: Solve for x
    x = 27,853,853,501,278,724/254,668,223.20
  6. Step 6: Final answer
    x = 109,373,101.80

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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.