Home / 112,267,337.80-168,401,006.70-75,987,632.20

Finding the Fourth Proportional to 112,267,337.80, 168,401,006.70 and 75,987,632.20

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Solution

The fourth proportional to 112,267,337.80, 168,401,006.70 and 75,987,632.20 is: 113,981,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267,337.80 : 168,401,006.70 = 75,987,632.20 : x
  2. Step 2: Convert to fraction form
    112,267,337.80/168,401,006.70 = 75,987,632.20/x
  3. Step 3: Cross multiply
    112,267,337.80x = 168,401,006.70 × 75,987,632.20
  4. Step 4: Simplify right side
    112,267,337.80x = 12,796,393,759,229,336
  5. Step 5: Solve for x
    x = 12,796,393,759,229,336/112,267,337.80
  6. Step 6: Final answer
    x = 113,981,448.30

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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.