Home / 143,902,556.22-215,805,500.28-46,835,435.76

Finding the Fourth Proportional to 143,902,556.22, 215,805,500.28 and 46,835,435.76

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Solution

The fourth proportional to 143,902,556.22, 215,805,500.28 and 46,835,435.76 is: 70,237,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,902,556.22 : 215,805,500.28 = 46,835,435.76 : x
  2. Step 2: Convert to fraction form
    143,902,556.22/215,805,500.28 = 46,835,435.76/x
  3. Step 3: Cross multiply
    143,902,556.22x = 215,805,500.28 × 46,835,435.76
  4. Step 4: Simplify right side
    143,902,556.22x = 10,107,344,645,018,602
  5. Step 5: Solve for x
    x = 10,107,344,645,018,602/143,902,556.22
  6. Step 6: Final answer
    x = 70,237,422.53

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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.