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Finding the Fourth Proportional to 95,849,374.80, 143,864,263.80 and 50,443,755.60

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Solution

The fourth proportional to 95,849,374.80, 143,864,263.80 and 50,443,755.60 is: 75,713,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,849,374.80 : 143,864,263.80 = 50,443,755.60 : x
  2. Step 2: Convert to fraction form
    95,849,374.80/143,864,263.80 = 50,443,755.60/x
  3. Step 3: Cross multiply
    95,849,374.80x = 143,864,263.80 × 50,443,755.60
  4. Step 4: Simplify right side
    95,849,374.80x = 7,257,053,762,701,128
  5. Step 5: Solve for x
    x = 7,257,053,762,701,128/95,849,374.80
  6. Step 6: Final answer
    x = 75,713,104.84

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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.