Home / 210,769,667.26-290,892,565.07-121,444,503.56

Finding the Fourth Proportional to 210,769,667.26, 290,892,565.07 and 121,444,503.56

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Solution

The fourth proportional to 210,769,667.26, 290,892,565.07 and 121,444,503.56 is: 167,610,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,769,667.26 : 290,892,565.07 = 121,444,503.56 : x
  2. Step 2: Convert to fraction form
    210,769,667.26/290,892,565.07 = 121,444,503.56/x
  3. Step 3: Cross multiply
    210,769,667.26x = 290,892,565.07 × 121,444,503.56
  4. Step 4: Simplify right side
    210,769,667.26x = 35,327,303,154,221,148
  5. Step 5: Solve for x
    x = 35,327,303,154,221,148/210,769,667.26
  6. Step 6: Final answer
    x = 167,610,945.23

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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.