Home / 69,625,461.12-104,438,172.48-21,756,405.12

Finding the Fourth Proportional to 69,625,461.12, 104,438,172.48 and 21,756,405.12

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Solution

The fourth proportional to 69,625,461.12, 104,438,172.48 and 21,756,405.12 is: 32,634,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,625,461.12 : 104,438,172.48 = 21,756,405.12 : x
  2. Step 2: Convert to fraction form
    69,625,461.12/104,438,172.48 = 21,756,405.12/x
  3. Step 3: Cross multiply
    69,625,461.12x = 104,438,172.48 × 21,756,405.12
  4. Step 4: Simplify right side
    69,625,461.12x = 2,272,199,190,467,315.50
  5. Step 5: Solve for x
    x = 2,272,199,190,467,315.50/69,625,461.12
  6. Step 6: Final answer
    x = 32,634,601.68

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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.