Home / 281,979,102.90-422,796,192.38-134,471,778.45

Finding the Fourth Proportional to 281,979,102.90, 422,796,192.38 and 134,471,778.45

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Solution

The fourth proportional to 281,979,102.90, 422,796,192.38 and 134,471,778.45 is: 201,625,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,979,102.90 : 422,796,192.38 = 134,471,778.45 : x
  2. Step 2: Convert to fraction form
    281,979,102.90/422,796,192.38 = 134,471,778.45/x
  3. Step 3: Cross multiply
    281,979,102.90x = 422,796,192.38 × 134,471,778.45
  4. Step 4: Simplify right side
    281,979,102.90x = 56,854,155,911,226,936
  5. Step 5: Solve for x
    x = 56,854,155,911,226,936/281,979,102.90
  6. Step 6: Final answer
    x = 201,625,423.04

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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.