Home / 86,243,722.40-129,365,583.60-35,162,400.80

Finding the Fourth Proportional to 86,243,722.40, 129,365,583.60 and 35,162,400.80

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Solution

The fourth proportional to 86,243,722.40, 129,365,583.60 and 35,162,400.80 is: 52,743,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243,722.40 : 129,365,583.60 = 35,162,400.80 : x
  2. Step 2: Convert to fraction form
    86,243,722.40/129,365,583.60 = 35,162,400.80/x
  3. Step 3: Cross multiply
    86,243,722.40x = 129,365,583.60 × 35,162,400.80
  4. Step 4: Simplify right side
    86,243,722.40x = 4,548,804,500,269,106
  5. Step 5: Solve for x
    x = 4,548,804,500,269,106/86,243,722.40
  6. Step 6: Final answer
    x = 52,743,601.20

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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.