Home / 81,973,263.80-122,959,895.70-25,239,567.80

Finding the Fourth Proportional to 81,973,263.80, 122,959,895.70 and 25,239,567.80

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Solution

The fourth proportional to 81,973,263.80, 122,959,895.70 and 25,239,567.80 is: 37,859,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973,263.80 : 122,959,895.70 = 25,239,567.80 : x
  2. Step 2: Convert to fraction form
    81,973,263.80/122,959,895.70 = 25,239,567.80/x
  3. Step 3: Cross multiply
    81,973,263.80x = 122,959,895.70 × 25,239,567.80
  4. Step 4: Simplify right side
    81,973,263.80x = 3,103,454,624,201,078.50
  5. Step 5: Solve for x
    x = 3,103,454,624,201,078.50/81,973,263.80
  6. Step 6: Final answer
    x = 37,859,351.70

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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.