Home / 145,297,543.76-200,702,008.71-107,696,932.54

Finding the Fourth Proportional to 145,297,543.76, 200,702,008.71 and 107,696,932.54

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Solution

The fourth proportional to 145,297,543.76, 200,702,008.71 and 107,696,932.54 is: 148,763,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,297,543.76 : 200,702,008.71 = 107,696,932.54 : x
  2. Step 2: Convert to fraction form
    145,297,543.76/200,702,008.71 = 107,696,932.54/x
  3. Step 3: Cross multiply
    145,297,543.76x = 200,702,008.71 × 107,696,932.54
  4. Step 4: Simplify right side
    145,297,543.76x = 21,614,990,691,777,744
  5. Step 5: Solve for x
    x = 21,614,990,691,777,744/145,297,543.76
  6. Step 6: Final answer
    x = 148,763,634.48

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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.