Home / 56,198,735.08-84,303,885.24-21,213,317.36

Finding the Fourth Proportional to 56,198,735.08, 84,303,885.24 and 21,213,317.36

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Solution

The fourth proportional to 56,198,735.08, 84,303,885.24 and 21,213,317.36 is: 31,822,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,198,735.08 : 84,303,885.24 = 21,213,317.36 : x
  2. Step 2: Convert to fraction form
    56,198,735.08/84,303,885.24 = 21,213,317.36/x
  3. Step 3: Cross multiply
    56,198,735.08x = 84,303,885.24 × 21,213,317.36
  4. Step 4: Simplify right side
    56,198,735.08x = 1,788,365,072,277,139.50
  5. Step 5: Solve for x
    x = 1,788,365,072,277,139.50/56,198,735.08
  6. Step 6: Final answer
    x = 31,822,158.80

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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.