Home / 153,656,749.63-211,912,305.40-108,914,223.37

Finding the Fourth Proportional to 153,656,749.63, 211,912,305.40 and 108,914,223.37

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Solution

The fourth proportional to 153,656,749.63, 211,912,305.40 and 108,914,223.37 is: 150,206,640.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,656,749.63 : 211,912,305.40 = 108,914,223.37 : x
  2. Step 2: Convert to fraction form
    153,656,749.63/211,912,305.40 = 108,914,223.37/x
  3. Step 3: Cross multiply
    153,656,749.63x = 211,912,305.40 × 108,914,223.37
  4. Step 4: Simplify right side
    153,656,749.63x = 23,080,264,165,187,260
  5. Step 5: Solve for x
    x = 23,080,264,165,187,260/153,656,749.63
  6. Step 6: Final answer
    x = 150,206,640.59

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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.