Home / 131,614,761.56-181,817,562.30-105,118,327.64

Finding the Fourth Proportional to 131,614,761.56, 181,817,562.30 and 105,118,327.64

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Solution

The fourth proportional to 131,614,761.56, 181,817,562.30 and 105,118,327.64 is: 145,214,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,614,761.56 : 181,817,562.30 = 105,118,327.64 : x
  2. Step 2: Convert to fraction form
    131,614,761.56/181,817,562.30 = 105,118,327.64/x
  3. Step 3: Cross multiply
    131,614,761.56x = 181,817,562.30 × 105,118,327.64
  4. Step 4: Simplify right side
    131,614,761.56x = 19,112,358,084,557,512
  5. Step 5: Solve for x
    x = 19,112,358,084,557,512/131,614,761.56
  6. Step 6: Final answer
    x = 145,214,395.85

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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.