Home / 130,488,040.36-180,079,961.40-80,944,379.33

Finding the Fourth Proportional to 130,488,040.36, 180,079,961.40 and 80,944,379.33

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Solution

The fourth proportional to 130,488,040.36, 180,079,961.40 and 80,944,379.33 is: 111,707,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,488,040.36 : 180,079,961.40 = 80,944,379.33 : x
  2. Step 2: Convert to fraction form
    130,488,040.36/180,079,961.40 = 80,944,379.33/x
  3. Step 3: Cross multiply
    130,488,040.36x = 180,079,961.40 × 80,944,379.33
  4. Step 4: Simplify right side
    130,488,040.36x = 14,576,460,704,392,960
  5. Step 5: Solve for x
    x = 14,576,460,704,392,960/130,488,040.36
  6. Step 6: Final answer
    x = 111,707,254.27

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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.