Home / 210,769,663.26-290,892,559.55-121,444,499.56

Finding the Fourth Proportional to 210,769,663.26, 290,892,559.55 and 121,444,499.56

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Solution

The fourth proportional to 210,769,663.26, 290,892,559.55 and 121,444,499.56 is: 167,610,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,769,663.26 : 290,892,559.55 = 121,444,499.56 : x
  2. Step 2: Convert to fraction form
    210,769,663.26/290,892,559.55 = 121,444,499.56/x
  3. Step 3: Cross multiply
    210,769,663.26x = 290,892,559.55 × 121,444,499.56
  4. Step 4: Simplify right side
    210,769,663.26x = 35,327,301,319,914,252
  5. Step 5: Solve for x
    x = 35,327,301,319,914,252/210,769,663.26
  6. Step 6: Final answer
    x = 167,610,939.70

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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.