Home / 74,914,612.20-112,379,402.70-20,328,064.20

Finding the Fourth Proportional to 74,914,612.20, 112,379,402.70 and 20,328,064.20

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Solution

The fourth proportional to 74,914,612.20, 112,379,402.70 and 20,328,064.20 is: 30,494,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914,612.20 : 112,379,402.70 = 20,328,064.20 : x
  2. Step 2: Convert to fraction form
    74,914,612.20/112,379,402.70 = 20,328,064.20/x
  3. Step 3: Cross multiply
    74,914,612.20x = 112,379,402.70 × 20,328,064.20
  4. Step 4: Simplify right side
    74,914,612.20x = 2,284,455,712,843,253.50
  5. Step 5: Solve for x
    x = 2,284,455,712,843,253.50/74,914,612.20
  6. Step 6: Final answer
    x = 30,494,127.19

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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.