Home / 127,907,974.80-176,570,649-81,560,526.48

Finding the Fourth Proportional to 127,907,974.80, 176,570,649 and 81,560,526.48

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Solution

The fourth proportional to 127,907,974.80, 176,570,649 and 81,560,526.48 is: 112,590,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907,974.80 : 176,570,649 = 81,560,526.48 : x
  2. Step 2: Convert to fraction form
    127,907,974.80/176,570,649 = 81,560,526.48/x
  3. Step 3: Cross multiply
    127,907,974.80x = 176,570,649 × 81,560,526.48
  4. Step 4: Simplify right side
    127,907,974.80x = 14,401,195,093,355,286
  5. Step 5: Solve for x
    x = 14,401,195,093,355,286/127,907,974.80
  6. Step 6: Final answer
    x = 112,590,283.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.