Home / 289,271,882.45-434,022,801.48-92,565,603.63

Finding the Fourth Proportional to 289,271,882.45, 434,022,801.48 and 92,565,603.63

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Solution

The fourth proportional to 289,271,882.45, 434,022,801.48 and 92,565,603.63 is: 138,885,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,271,882.45 : 434,022,801.48 = 92,565,603.63 : x
  2. Step 2: Convert to fraction form
    289,271,882.45/434,022,801.48 = 92,565,603.63/x
  3. Step 3: Cross multiply
    289,271,882.45x = 434,022,801.48 × 92,565,603.63
  4. Step 4: Simplify right side
    289,271,882.45x = 40,175,582,608,179,856
  5. Step 5: Solve for x
    x = 40,175,582,608,179,856/289,271,882.45
  6. Step 6: Final answer
    x = 138,885,197.79

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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.