Home / 220,965,934.24-304,879,664.04-142,632,711.80

Finding the Fourth Proportional to 220,965,934.24, 304,879,664.04 and 142,632,711.80

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Solution

The fourth proportional to 220,965,934.24, 304,879,664.04 and 142,632,711.80 is: 196,798,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,965,934.24 : 304,879,664.04 = 142,632,711.80 : x
  2. Step 2: Convert to fraction form
    220,965,934.24/304,879,664.04 = 142,632,711.80/x
  3. Step 3: Cross multiply
    220,965,934.24x = 304,879,664.04 × 142,632,711.80
  4. Step 4: Simplify right side
    220,965,934.24x = 43,485,813,254,698,152
  5. Step 5: Solve for x
    x = 43,485,813,254,698,152/220,965,934.24
  6. Step 6: Final answer
    x = 196,798,721.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.