Home / 131,239,132.56-181,115,183.28-75,484,464

Finding the Fourth Proportional to 131,239,132.56, 181,115,183.28 and 75,484,464

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Solution

The fourth proportional to 131,239,132.56, 181,115,183.28 and 75,484,464 is: 104,171,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239,132.56 : 181,115,183.28 = 75,484,464 : x
  2. Step 2: Convert to fraction form
    131,239,132.56/181,115,183.28 = 75,484,464/x
  3. Step 3: Cross multiply
    131,239,132.56x = 181,115,183.28 × 75,484,464
  4. Step 4: Simplify right side
    131,239,132.56x = 13,671,382,532,152,562
  5. Step 5: Solve for x
    x = 13,671,382,532,152,562/131,239,132.56
  6. Step 6: Final answer
    x = 104,171,539.89

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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.