Home / 107,821,339.56-161,804,780.71-42,234,342.03

Finding the Fourth Proportional to 107,821,339.56, 161,804,780.71 and 42,234,342.03

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Solution

The fourth proportional to 107,821,339.56, 161,804,780.71 and 42,234,342.03 is: 63,380,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,821,339.56 : 161,804,780.71 = 42,234,342.03 : x
  2. Step 2: Convert to fraction form
    107,821,339.56/161,804,780.71 = 42,234,342.03/x
  3. Step 3: Cross multiply
    107,821,339.56x = 161,804,780.71 × 42,234,342.03
  4. Step 4: Simplify right side
    107,821,339.56x = 6,833,718,450,489,701
  5. Step 5: Solve for x
    x = 6,833,718,450,489,701/107,821,339.56
  6. Step 6: Final answer
    x = 63,380,018.08

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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.