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Finding the Fourth Proportional to 45,306,056.48, 67,959,084.71 and 45,306,056.48

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Solution

The fourth proportional to 45,306,056.48, 67,959,084.71 and 45,306,056.48 is: 67,959,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306,056.48 : 67,959,084.71 = 45,306,056.48 : x
  2. Step 2: Convert to fraction form
    45,306,056.48/67,959,084.71 = 45,306,056.48/x
  3. Step 3: Cross multiply
    45,306,056.48x = 67,959,084.71 × 45,306,056.48
  4. Step 4: Simplify right side
    45,306,056.48x = 3,078,958,129,973,834.50
  5. Step 5: Solve for x
    x = 3,078,958,129,973,834.50/45,306,056.48
  6. Step 6: Final answer
    x = 67,959,084.71

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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.