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Finding the Fourth Proportional to 64,259,059.54, 88,679,042.84 and 34,891,629.88

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Solution

The fourth proportional to 64,259,059.54, 88,679,042.84 and 34,891,629.88 is: 48,151,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259,059.54 : 88,679,042.84 = 34,891,629.88 : x
  2. Step 2: Convert to fraction form
    64,259,059.54/88,679,042.84 = 34,891,629.88/x
  3. Step 3: Cross multiply
    64,259,059.54x = 88,679,042.84 × 34,891,629.88
  4. Step 4: Simplify right side
    64,259,059.54x = 3,094,156,340,885,944.50
  5. Step 5: Solve for x
    x = 3,094,156,340,885,944.50/64,259,059.54
  6. Step 6: Final answer
    x = 48,151,285.80

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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.