Home / 131,614,758.56-181,817,558.16-105,118,324.64

Finding the Fourth Proportional to 131,614,758.56, 181,817,558.16 and 105,118,324.64

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Solution

The fourth proportional to 131,614,758.56, 181,817,558.16 and 105,118,324.64 is: 145,214,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,614,758.56 : 181,817,558.16 = 105,118,324.64 : x
  2. Step 2: Convert to fraction form
    131,614,758.56/181,817,558.16 = 105,118,324.64/x
  3. Step 3: Cross multiply
    131,614,758.56x = 181,817,558.16 × 105,118,324.64
  4. Step 4: Simplify right side
    131,614,758.56x = 19,112,357,103,914,960
  5. Step 5: Solve for x
    x = 19,112,357,103,914,960/131,614,758.56
  6. Step 6: Final answer
    x = 145,214,391.71

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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.