Home / 68,338,500.72-94,307,069.52-38,575,414.92

Finding the Fourth Proportional to 68,338,500.72, 94,307,069.52 and 38,575,414.92

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Solution

The fourth proportional to 68,338,500.72, 94,307,069.52 and 38,575,414.92 is: 53,234,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,338,500.72 : 94,307,069.52 = 38,575,414.92 : x
  2. Step 2: Convert to fraction form
    68,338,500.72/94,307,069.52 = 38,575,414.92/x
  3. Step 3: Cross multiply
    68,338,500.72x = 94,307,069.52 × 38,575,414.92
  4. Step 4: Simplify right side
    68,338,500.72x = 3,637,934,336,623,285
  5. Step 5: Solve for x
    x = 3,637,934,336,623,285/68,338,500.72
  6. Step 6: Final answer
    x = 53,234,037.89

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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.