Home / 31,822,853,107.40-47,721,146,418.57-10,862,974,185.20

Finding the Fourth Proportional to 31,822,853,107.40, 47,721,146,418.57 and 10,862,974,185.20

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Solution

The fourth proportional to 31,822,853,107.40, 47,721,146,418.57 and 10,862,974,185.20 is: 16,289,978,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822,853,107.40 : 47,721,146,418.57 = 10,862,974,185.20 : x
  2. Step 2: Convert to fraction form
    31,822,853,107.40/47,721,146,418.57 = 10,862,974,185.20/x
  3. Step 3: Cross multiply
    31,822,853,107.40x = 47,721,146,418.57 × 10,862,974,185.20
  4. Step 4: Simplify right side
    31,822,853,107.40x = 518,393,581,633,075,347,456
  5. Step 5: Solve for x
    x = 518,393,581,633,075,347,456/31,822,853,107.40
  6. Step 6: Final answer
    x = 16,289,978,145.06

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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.