Home / 205,106,583.23-307,708,819.69-66,932,447.40

Finding the Fourth Proportional to 205,106,583.23, 307,708,819.69 and 66,932,447.40

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Solution

The fourth proportional to 205,106,583.23, 307,708,819.69 and 66,932,447.40 is: 100,414,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,106,583.23 : 307,708,819.69 = 66,932,447.40 : x
  2. Step 2: Convert to fraction form
    205,106,583.23/307,708,819.69 = 66,932,447.40/x
  3. Step 3: Cross multiply
    205,106,583.23x = 307,708,819.69 × 66,932,447.40
  4. Step 4: Simplify right side
    205,106,583.23x = 20,595,704,387,672,724
  5. Step 5: Solve for x
    x = 20,595,704,387,672,724/205,106,583.23
  6. Step 6: Final answer
    x = 100,414,643.27

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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.