Home / 162,943,021.92-225,453,498.92-142,078,532.52

Finding the Fourth Proportional to 162,943,021.92, 225,453,498.92 and 142,078,532.52

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Solution

The fourth proportional to 162,943,021.92, 225,453,498.92 and 142,078,532.52 is: 196,584,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,943,021.92 : 225,453,498.92 = 142,078,532.52 : x
  2. Step 2: Convert to fraction form
    162,943,021.92/225,453,498.92 = 142,078,532.52/x
  3. Step 3: Cross multiply
    162,943,021.92x = 225,453,498.92 × 142,078,532.52
  4. Step 4: Simplify right side
    162,943,021.92x = 32,032,102,278,053,004
  5. Step 5: Solve for x
    x = 32,032,102,278,053,004/162,943,021.92
  6. Step 6: Final answer
    x = 196,584,682.80

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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.