Home / 210,369,418.96-290,338,637.58-121,059,527.71

Finding the Fourth Proportional to 210,369,418.96, 290,338,637.58 and 121,059,527.71

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Solution

The fourth proportional to 210,369,418.96, 290,338,637.58 and 121,059,527.71 is: 167,078,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,369,418.96 : 290,338,637.58 = 121,059,527.71 : x
  2. Step 2: Convert to fraction form
    210,369,418.96/290,338,637.58 = 121,059,527.71/x
  3. Step 3: Cross multiply
    210,369,418.96x = 290,338,637.58 × 121,059,527.71
  4. Step 4: Simplify right side
    210,369,418.96x = 35,148,258,341,399,652
  5. Step 5: Solve for x
    x = 35,148,258,341,399,652/210,369,418.96
  6. Step 6: Final answer
    x = 167,078,744.22

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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.