Home / 29,129,940-40,199,119.26-16,077,198.66

Finding the Fourth Proportional to 29,129,940, 40,199,119.26 and 16,077,198.66

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Solution

The fourth proportional to 29,129,940, 40,199,119.26 and 16,077,198.66 is: 22,186,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129,940 : 40,199,119.26 = 16,077,198.66 : x
  2. Step 2: Convert to fraction form
    29,129,940/40,199,119.26 = 16,077,198.66/x
  3. Step 3: Cross multiply
    29,129,940x = 40,199,119.26 × 16,077,198.66
  4. Step 4: Simplify right side
    29,129,940x = 646,289,226,300,052.12
  5. Step 5: Solve for x
    x = 646,289,226,300,052.12/29,129,940
  6. Step 6: Final answer
    x = 22,186,424.91

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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.