Home / 102,722,362.44-141,772,005.06-65,048,965.20

Finding the Fourth Proportional to 102,722,362.44, 141,772,005.06 and 65,048,965.20

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Solution

The fourth proportional to 102,722,362.44, 141,772,005.06 and 65,048,965.20 is: 89,777,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,722,362.44 : 141,772,005.06 = 65,048,965.20 : x
  2. Step 2: Convert to fraction form
    102,722,362.44/141,772,005.06 = 65,048,965.20/x
  3. Step 3: Cross multiply
    102,722,362.44x = 141,772,005.06 × 65,048,965.20
  4. Step 4: Simplify right side
    102,722,362.44x = 9,222,122,223,482,164
  5. Step 5: Solve for x
    x = 9,222,122,223,482,164/102,722,362.44
  6. Step 6: Final answer
    x = 89,777,162.48

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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.