Home / 65,950,278,075.72-98,481,306,915.92-53,859,454,976.78

Finding the Fourth Proportional to 65,950,278,075.72, 98,481,306,915.92 and 53,859,454,976.78

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Solution

The fourth proportional to 65,950,278,075.72, 98,481,306,915.92 and 53,859,454,976.78 is: 80,426,492,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950,278,075.72 : 98,481,306,915.92 = 53,859,454,976.78 : x
  2. Step 2: Convert to fraction form
    65,950,278,075.72/98,481,306,915.92 = 53,859,454,976.78/x
  3. Step 3: Cross multiply
    65,950,278,075.72x = 98,481,306,915.92 × 53,859,454,976.78
  4. Step 4: Simplify right side
    65,950,278,075.72x = 5,304,149,515,891,684,409,344
  5. Step 5: Solve for x
    x = 5,304,149,515,891,684,409,344/65,950,278,075.72
  6. Step 6: Final answer
    x = 80,426,492,058.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.