Home / 105,739,344.41-158,610,111.93-31,963,738.86

Finding the Fourth Proportional to 105,739,344.41, 158,610,111.93 and 31,963,738.86

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Solution

The fourth proportional to 105,739,344.41, 158,610,111.93 and 31,963,738.86 is: 47,945,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,739,344.41 : 158,610,111.93 = 31,963,738.86 : x
  2. Step 2: Convert to fraction form
    105,739,344.41/158,610,111.93 = 31,963,738.86/x
  3. Step 3: Cross multiply
    105,739,344.41x = 158,610,111.93 × 31,963,738.86
  4. Step 4: Simplify right side
    105,739,344.41x = 5,069,772,198,285,891
  5. Step 5: Solve for x
    x = 5,069,772,198,285,891/105,739,344.41
  6. Step 6: Final answer
    x = 47,945,939.39

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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.