Home / 75,748,623.22-113,606,441.93-20,415,166.73

Finding the Fourth Proportional to 75,748,623.22, 113,606,441.93 and 20,415,166.73

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Solution

The fourth proportional to 75,748,623.22, 113,606,441.93 and 20,415,166.73 is: 30,618,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,748,623.22 : 113,606,441.93 = 20,415,166.73 : x
  2. Step 2: Convert to fraction form
    75,748,623.22/113,606,441.93 = 20,415,166.73/x
  3. Step 3: Cross multiply
    75,748,623.22x = 113,606,441.93 × 20,415,166.73
  4. Step 4: Simplify right side
    75,748,623.22x = 2,319,294,453,086,019
  5. Step 5: Solve for x
    x = 2,319,294,453,086,019/75,748,623.22
  6. Step 6: Final answer
    x = 30,618,305.05

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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.