Home / 210,409,546.56-290,374,142.40-117,590,053.56

Finding the Fourth Proportional to 210,409,546.56, 290,374,142.40 and 117,590,053.56

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Solution

The fourth proportional to 210,409,546.56, 290,374,142.40 and 117,590,053.56 is: 162,279,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,409,546.56 : 290,374,142.40 = 117,590,053.56 : x
  2. Step 2: Convert to fraction form
    210,409,546.56/290,374,142.40 = 117,590,053.56/x
  3. Step 3: Cross multiply
    210,409,546.56x = 290,374,142.40 × 117,590,053.56
  4. Step 4: Simplify right side
    210,409,546.56x = 34,145,110,957,255,064
  5. Step 5: Solve for x
    x = 34,145,110,957,255,064/210,409,546.56
  6. Step 6: Final answer
    x = 162,279,285.88

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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.