Home / 89,820,078.12-123,953,322.42-52,677,147.60

Finding the Fourth Proportional to 89,820,078.12, 123,953,322.42 and 52,677,147.60

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Solution

The fourth proportional to 89,820,078.12, 123,953,322.42 and 52,677,147.60 is: 72,695,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820,078.12 : 123,953,322.42 = 52,677,147.60 : x
  2. Step 2: Convert to fraction form
    89,820,078.12/123,953,322.42 = 52,677,147.60/x
  3. Step 3: Cross multiply
    89,820,078.12x = 123,953,322.42 × 52,677,147.60
  4. Step 4: Simplify right side
    89,820,078.12x = 6,529,507,460,628,729
  5. Step 5: Solve for x
    x = 6,529,507,460,628,729/89,820,078.12
  6. Step 6: Final answer
    x = 72,695,410.62

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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.