Home / 67,685,781.78-93,406,380.93-36,745,907.22

Finding the Fourth Proportional to 67,685,781.78, 93,406,380.93 and 36,745,907.22

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Solution

The fourth proportional to 67,685,781.78, 93,406,380.93 and 36,745,907.22 is: 50,709,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,685,781.78 : 93,406,380.93 = 36,745,907.22 : x
  2. Step 2: Convert to fraction form
    67,685,781.78/93,406,380.93 = 36,745,907.22/x
  3. Step 3: Cross multiply
    67,685,781.78x = 93,406,380.93 × 36,745,907.22
  4. Step 4: Simplify right side
    67,685,781.78x = 3,432,302,207,409,757.50
  5. Step 5: Solve for x
    x = 3,432,302,207,409,757.50/67,685,781.78
  6. Step 6: Final answer
    x = 50,709,353.09

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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.