Home / 86,826,448.80-130,388,972.40-61,445,584.80

Finding the Fourth Proportional to 86,826,448.80, 130,388,972.40 and 61,445,584.80

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Solution

The fourth proportional to 86,826,448.80, 130,388,972.40 and 61,445,584.80 is: 92,274,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,826,448.80 : 130,388,972.40 = 61,445,584.80 : x
  2. Step 2: Convert to fraction form
    86,826,448.80/130,388,972.40 = 61,445,584.80/x
  3. Step 3: Cross multiply
    86,826,448.80x = 130,388,972.40 × 61,445,584.80
  4. Step 4: Simplify right side
    86,826,448.80x = 8,011,826,660,589,059
  5. Step 5: Solve for x
    x = 8,011,826,660,589,059/86,826,448.80
  6. Step 6: Final answer
    x = 92,274,033.68

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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.