Home / 127,907,826.80-176,570,444.76-81,560,378.48

Finding the Fourth Proportional to 127,907,826.80, 176,570,444.76 and 81,560,378.48

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Solution

The fourth proportional to 127,907,826.80, 176,570,444.76 and 81,560,378.48 is: 112,590,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907,826.80 : 176,570,444.76 = 81,560,378.48 : x
  2. Step 2: Convert to fraction form
    127,907,826.80/176,570,444.76 = 81,560,378.48/x
  3. Step 3: Cross multiply
    127,907,826.80x = 176,570,444.76 × 81,560,378.48
  4. Step 4: Simplify right side
    127,907,826.80x = 14,401,152,303,007,532
  5. Step 5: Solve for x
    x = 14,401,152,303,007,532/127,907,826.80
  6. Step 6: Final answer
    x = 112,590,078.83

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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.