Home / 189,250,144.72-261,159,339.72-106,742,741.20

Finding the Fourth Proportional to 189,250,144.72, 261,159,339.72 and 106,742,741.20

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Solution

The fourth proportional to 189,250,144.72, 261,159,339.72 and 106,742,741.20 is: 147,301,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,250,144.72 : 261,159,339.72 = 106,742,741.20 : x
  2. Step 2: Convert to fraction form
    189,250,144.72/261,159,339.72 = 106,742,741.20/x
  3. Step 3: Cross multiply
    189,250,144.72x = 261,159,339.72 × 106,742,741.20
  4. Step 4: Simplify right side
    189,250,144.72x = 27,876,863,811,694,840
  5. Step 5: Solve for x
    x = 27,876,863,811,694,840/189,250,144.72
  6. Step 6: Final answer
    x = 147,301,677.64

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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.