Home / 218,428,313.92-301,429,081.56-119,309,045.44

Finding the Fourth Proportional to 218,428,313.92, 301,429,081.56 and 119,309,045.44

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Solution

The fourth proportional to 218,428,313.92, 301,429,081.56 and 119,309,045.44 is: 164,645,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,428,313.92 : 301,429,081.56 = 119,309,045.44 : x
  2. Step 2: Convert to fraction form
    218,428,313.92/301,429,081.56 = 119,309,045.44/x
  3. Step 3: Cross multiply
    218,428,313.92x = 301,429,081.56 × 119,309,045.44
  4. Step 4: Simplify right side
    218,428,313.92x = 35,963,215,988,779,504
  5. Step 5: Solve for x
    x = 35,963,215,988,779,504/218,428,313.92
  6. Step 6: Final answer
    x = 164,645,394.84

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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.