Home / 57,691,315.08-86,548,520.70-21,299,927.40

Finding the Fourth Proportional to 57,691,315.08, 86,548,520.70 and 21,299,927.40

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Solution

The fourth proportional to 57,691,315.08, 86,548,520.70 and 21,299,927.40 is: 31,954,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,691,315.08 : 86,548,520.70 = 21,299,927.40 : x
  2. Step 2: Convert to fraction form
    57,691,315.08/86,548,520.70 = 21,299,927.40/x
  3. Step 3: Cross multiply
    57,691,315.08x = 86,548,520.70 × 21,299,927.40
  4. Step 4: Simplify right side
    57,691,315.08x = 1,843,477,207,487,397
  5. Step 5: Solve for x
    x = 1,843,477,207,487,397/57,691,315.08
  6. Step 6: Final answer
    x = 31,954,154.71

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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.