Home / 81,165,369.37-112,009,644.62-43,996,884.05

Finding the Fourth Proportional to 81,165,369.37, 112,009,644.62 and 43,996,884.05

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Solution

The fourth proportional to 81,165,369.37, 112,009,644.62 and 43,996,884.05 is: 60,716,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,165,369.37 : 112,009,644.62 = 43,996,884.05 : x
  2. Step 2: Convert to fraction form
    81,165,369.37/112,009,644.62 = 43,996,884.05/x
  3. Step 3: Cross multiply
    81,165,369.37x = 112,009,644.62 × 43,996,884.05
  4. Step 4: Simplify right side
    81,165,369.37x = 4,928,075,346,834,774
  5. Step 5: Solve for x
    x = 4,928,075,346,834,774/81,165,369.37
  6. Step 6: Final answer
    x = 60,716,477.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.