Home / 105,603,695.78-158,405,670.03-28,927,385.06

Finding the Fourth Proportional to 105,603,695.78, 158,405,670.03 and 28,927,385.06

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Solution

The fourth proportional to 105,603,695.78, 158,405,670.03 and 28,927,385.06 is: 43,391,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,603,695.78 : 158,405,670.03 = 28,927,385.06 : x
  2. Step 2: Convert to fraction form
    105,603,695.78/158,405,670.03 = 28,927,385.06/x
  3. Step 3: Cross multiply
    105,603,695.78x = 158,405,670.03 × 28,927,385.06
  4. Step 4: Simplify right side
    105,603,695.78x = 4,582,261,812,645,112
  5. Step 5: Solve for x
    x = 4,582,261,812,645,112/105,603,695.78
  6. Step 6: Final answer
    x = 43,391,112.20

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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.