Home / 54,393,411.20-81,590,116.80-51,202,140.80

Finding the Fourth Proportional to 54,393,411.20, 81,590,116.80 and 51,202,140.80

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Solution

The fourth proportional to 54,393,411.20, 81,590,116.80 and 51,202,140.80 is: 76,803,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393,411.20 : 81,590,116.80 = 51,202,140.80 : x
  2. Step 2: Convert to fraction form
    54,393,411.20/81,590,116.80 = 51,202,140.80/x
  3. Step 3: Cross multiply
    54,393,411.20x = 81,590,116.80 × 51,202,140.80
  4. Step 4: Simplify right side
    54,393,411.20x = 4,177,588,648,282,045
  5. Step 5: Solve for x
    x = 4,177,588,648,282,045/54,393,411.20
  6. Step 6: Final answer
    x = 76,803,211.20

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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.