Home / 79,043,481-109,080,003.84-42,867,609

Finding the Fourth Proportional to 79,043,481, 109,080,003.84 and 42,867,609

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Solution

The fourth proportional to 79,043,481, 109,080,003.84 and 42,867,609 is: 59,157,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,043,481 : 109,080,003.84 = 42,867,609 : x
  2. Step 2: Convert to fraction form
    79,043,481/109,080,003.84 = 42,867,609/x
  3. Step 3: Cross multiply
    79,043,481x = 109,080,003.84 × 42,867,609
  4. Step 4: Simplify right side
    79,043,481x = 4,675,998,954,331,619
  5. Step 5: Solve for x
    x = 4,675,998,954,331,619/79,043,481
  6. Step 6: Final answer
    x = 59,157,300.45

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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.