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Finding the Fourth Proportional to 45,583,744.40, 68,375,616.60 and 13,671,040.40

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Solution

The fourth proportional to 45,583,744.40, 68,375,616.60 and 13,671,040.40 is: 20,506,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,583,744.40 : 68,375,616.60 = 13,671,040.40 : x
  2. Step 2: Convert to fraction form
    45,583,744.40/68,375,616.60 = 13,671,040.40/x
  3. Step 3: Cross multiply
    45,583,744.40x = 68,375,616.60 × 13,671,040.40
  4. Step 4: Simplify right side
    45,583,744.40x = 934,765,816,913,510.62
  5. Step 5: Solve for x
    x = 934,765,816,913,510.62/45,583,744.40
  6. Step 6: Final answer
    x = 20,506,560.60

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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.