Home / 274,429,087.04-411,556,234.08-90,153,788.96

Finding the Fourth Proportional to 274,429,087.04, 411,556,234.08 and 90,153,788.96

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Solution

The fourth proportional to 274,429,087.04, 411,556,234.08 and 90,153,788.96 is: 135,201,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,429,087.04 : 411,556,234.08 = 90,153,788.96 : x
  2. Step 2: Convert to fraction form
    274,429,087.04/411,556,234.08 = 90,153,788.96/x
  3. Step 3: Cross multiply
    274,429,087.04x = 411,556,234.08 × 90,153,788.96
  4. Step 4: Simplify right side
    274,429,087.04x = 37,103,353,872,420,672
  5. Step 5: Solve for x
    x = 37,103,353,872,420,672/274,429,087.04
  6. Step 6: Final answer
    x = 135,201,972.48

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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.