Home / 143,392,881.03-214,273,024.47-107,667,379.15

Finding the Fourth Proportional to 143,392,881.03, 214,273,024.47 and 107,667,379.15

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Solution

The fourth proportional to 143,392,881.03, 214,273,024.47 and 107,667,379.15 is: 160,888,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,392,881.03 : 214,273,024.47 = 107,667,379.15 : x
  2. Step 2: Convert to fraction form
    143,392,881.03/214,273,024.47 = 107,667,379.15/x
  3. Step 3: Cross multiply
    143,392,881.03x = 214,273,024.47 × 107,667,379.15
  4. Step 4: Simplify right side
    143,392,881.03x = 23,070,214,966,693,032
  5. Step 5: Solve for x
    x = 23,070,214,966,693,032/143,392,881.03
  6. Step 6: Final answer
    x = 160,888,147.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.