Home / 68,031,448.87-93,891,369.82-38,667,195.40

Finding the Fourth Proportional to 68,031,448.87, 93,891,369.82 and 38,667,195.40

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Solution

The fourth proportional to 68,031,448.87, 93,891,369.82 and 38,667,195.40 is: 53,365,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,031,448.87 : 93,891,369.82 = 38,667,195.40 : x
  2. Step 2: Convert to fraction form
    68,031,448.87/93,891,369.82 = 38,667,195.40/x
  3. Step 3: Cross multiply
    68,031,448.87x = 93,891,369.82 × 38,667,195.40
  4. Step 4: Simplify right side
    68,031,448.87x = 3,630,515,943,203,602.50
  5. Step 5: Solve for x
    x = 3,630,515,943,203,602.50/68,031,448.87
  6. Step 6: Final answer
    x = 53,365,259.80

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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.