Home / 89,478,087.63-123,477,824.88-51,802,840.14

Finding the Fourth Proportional to 89,478,087.63, 123,477,824.88 and 51,802,840.14

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Solution

The fourth proportional to 89,478,087.63, 123,477,824.88 and 51,802,840.14 is: 71,486,798.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478,087.63 : 123,477,824.88 = 51,802,840.14 : x
  2. Step 2: Convert to fraction form
    89,478,087.63/123,477,824.88 = 51,802,840.14/x
  3. Step 3: Cross multiply
    89,478,087.63x = 123,477,824.88 × 51,802,840.14
  4. Step 4: Simplify right side
    89,478,087.63x = 6,396,502,023,093,555
  5. Step 5: Solve for x
    x = 6,396,502,023,093,555/89,478,087.63
  6. Step 6: Final answer
    x = 71,486,798.53

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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.