Home / 71,588,346.19-107,362,921.29-19,760,559.16

Finding the Fourth Proportional to 71,588,346.19, 107,362,921.29 and 19,760,559.16

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Solution

The fourth proportional to 71,588,346.19, 107,362,921.29 and 19,760,559.16 is: 29,635,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588,346.19 : 107,362,921.29 = 19,760,559.16 : x
  2. Step 2: Convert to fraction form
    71,588,346.19/107,362,921.29 = 19,760,559.16/x
  3. Step 3: Cross multiply
    71,588,346.19x = 107,362,921.29 × 19,760,559.16
  4. Step 4: Simplify right side
    71,588,346.19x = 2,121,551,357,741,468.75
  5. Step 5: Solve for x
    x = 2,121,551,357,741,468.75/71,588,346.19
  6. Step 6: Final answer
    x = 29,635,429.10

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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.