Home / 129,555,939.77-194,333,909.66-43,294,346.51

Finding the Fourth Proportional to 129,555,939.77, 194,333,909.66 and 43,294,346.51

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Solution

The fourth proportional to 129,555,939.77, 194,333,909.66 and 43,294,346.51 is: 64,941,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,555,939.77 : 194,333,909.66 = 43,294,346.51 : x
  2. Step 2: Convert to fraction form
    129,555,939.77/194,333,909.66 = 43,294,346.51/x
  3. Step 3: Cross multiply
    129,555,939.77x = 194,333,909.66 × 43,294,346.51
  4. Step 4: Simplify right side
    129,555,939.77x = 8,413,559,622,274,936
  5. Step 5: Solve for x
    x = 8,413,559,622,274,936/129,555,939.77
  6. Step 6: Final answer
    x = 64,941,519.76

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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.