Home / 97,996,039.20-146,994,058.80-68,770,720.80

Finding the Fourth Proportional to 97,996,039.20, 146,994,058.80 and 68,770,720.80

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Solution

The fourth proportional to 97,996,039.20, 146,994,058.80 and 68,770,720.80 is: 103,156,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,996,039.20 : 146,994,058.80 = 68,770,720.80 : x
  2. Step 2: Convert to fraction form
    97,996,039.20/146,994,058.80 = 68,770,720.80/x
  3. Step 3: Cross multiply
    97,996,039.20x = 146,994,058.80 × 68,770,720.80
  4. Step 4: Simplify right side
    97,996,039.20x = 10,108,887,376,993,584
  5. Step 5: Solve for x
    x = 10,108,887,376,993,584/97,996,039.20
  6. Step 6: Final answer
    x = 103,156,081.20

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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.