Home / 127,907,977.80-176,570,653.14-81,560,529.48

Finding the Fourth Proportional to 127,907,977.80, 176,570,653.14 and 81,560,529.48

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Solution

The fourth proportional to 127,907,977.80, 176,570,653.14 and 81,560,529.48 is: 112,590,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907,977.80 : 176,570,653.14 = 81,560,529.48 : x
  2. Step 2: Convert to fraction form
    127,907,977.80/176,570,653.14 = 81,560,529.48/x
  3. Step 3: Cross multiply
    127,907,977.80x = 176,570,653.14 × 81,560,529.48
  4. Step 4: Simplify right side
    127,907,977.80x = 14,401,195,960,727,824
  5. Step 5: Solve for x
    x = 14,401,195,960,727,824/127,907,977.80
  6. Step 6: Final answer
    x = 112,590,287.24

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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.