Home / 222,481,349.65-306,996,038.76-121,983,342.04

Finding the Fourth Proportional to 222,481,349.65, 306,996,038.76 and 121,983,342.04

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Solution

The fourth proportional to 222,481,349.65, 306,996,038.76 and 121,983,342.04 is: 168,321,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481,349.65 : 306,996,038.76 = 121,983,342.04 : x
  2. Step 2: Convert to fraction form
    222,481,349.65/306,996,038.76 = 121,983,342.04/x
  3. Step 3: Cross multiply
    222,481,349.65x = 306,996,038.76 × 121,983,342.04
  4. Step 4: Simplify right side
    222,481,349.65x = 37,448,402,800,986,176
  5. Step 5: Solve for x
    x = 37,448,402,800,986,176/222,481,349.65
  6. Step 6: Final answer
    x = 168,321,537.33

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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.