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Finding the Fourth Proportional to 47,804,554.70, 71,706,832.05 and 43,818,747.20

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Solution

The fourth proportional to 47,804,554.70, 71,706,832.05 and 43,818,747.20 is: 65,728,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804,554.70 : 71,706,832.05 = 43,818,747.20 : x
  2. Step 2: Convert to fraction form
    47,804,554.70/71,706,832.05 = 43,818,747.20/x
  3. Step 3: Cross multiply
    47,804,554.70x = 71,706,832.05 × 43,818,747.20
  4. Step 4: Simplify right side
    47,804,554.70x = 3,142,103,546,111,808
  5. Step 5: Solve for x
    x = 3,142,103,546,111,808/47,804,554.70
  6. Step 6: Final answer
    x = 65,728,120.80

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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.