Home / 235,517,997.21-353,329,685.54-71,768,569.47

Finding the Fourth Proportional to 235,517,997.21, 353,329,685.54 and 71,768,569.47

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Solution

The fourth proportional to 235,517,997.21, 353,329,685.54 and 71,768,569.47 is: 107,668,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,517,997.21 : 353,329,685.54 = 71,768,569.47 : x
  2. Step 2: Convert to fraction form
    235,517,997.21/353,329,685.54 = 71,768,569.47/x
  3. Step 3: Cross multiply
    235,517,997.21x = 353,329,685.54 × 71,768,569.47
  4. Step 4: Simplify right side
    235,517,997.21x = 25,357,966,082,490,744
  5. Step 5: Solve for x
    x = 25,357,966,082,490,744/235,517,997.21
  6. Step 6: Final answer
    x = 107,668,910.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.