Home / 312,523,421.78-468,784,886.40-94,173,766.42

Finding the Fourth Proportional to 312,523,421.78, 468,784,886.40 and 94,173,766.42

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Solution

The fourth proportional to 312,523,421.78, 468,784,886.40 and 94,173,766.42 is: 141,260,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,523,421.78 : 468,784,886.40 = 94,173,766.42 : x
  2. Step 2: Convert to fraction form
    312,523,421.78/468,784,886.40 = 94,173,766.42/x
  3. Step 3: Cross multiply
    312,523,421.78x = 468,784,886.40 × 94,173,766.42
  4. Step 4: Simplify right side
    312,523,421.78x = 44,147,238,393,059,832
  5. Step 5: Solve for x
    x = 44,147,238,393,059,832/312,523,421.78
  6. Step 6: Final answer
    x = 141,260,575.42

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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.