Home / 210,769,664.26-290,892,560.93-121,444,500.56

Finding the Fourth Proportional to 210,769,664.26, 290,892,560.93 and 121,444,500.56

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Solution

The fourth proportional to 210,769,664.26, 290,892,560.93 and 121,444,500.56 is: 167,610,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,769,664.26 : 290,892,560.93 = 121,444,500.56 : x
  2. Step 2: Convert to fraction form
    210,769,664.26/290,892,560.93 = 121,444,500.56/x
  3. Step 3: Cross multiply
    210,769,664.26x = 290,892,560.93 × 121,444,500.56
  4. Step 4: Simplify right side
    210,769,664.26x = 35,327,301,778,763,220
  5. Step 5: Solve for x
    x = 35,327,301,778,763,220/210,769,664.26
  6. Step 6: Final answer
    x = 167,610,941.08

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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.