Home / 217,780,101.25-300,532,739.15-118,661,669.08

Finding the Fourth Proportional to 217,780,101.25, 300,532,739.15 and 118,661,669.08

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Solution

The fourth proportional to 217,780,101.25, 300,532,739.15 and 118,661,669.08 is: 163,751,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,780,101.25 : 300,532,739.15 = 118,661,669.08 : x
  2. Step 2: Convert to fraction form
    217,780,101.25/300,532,739.15 = 118,661,669.08/x
  3. Step 3: Cross multiply
    217,780,101.25x = 300,532,739.15 × 118,661,669.08
  4. Step 4: Simplify right side
    217,780,101.25x = 35,661,716,440,129,948
  5. Step 5: Solve for x
    x = 35,661,716,440,129,948/217,780,101.25
  6. Step 6: Final answer
    x = 163,751,032.51

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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.