Home / 142,165,960.47-213,327,628.98-69,383,344.05

Finding the Fourth Proportional to 142,165,960.47, 213,327,628.98 and 69,383,344.05

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Solution

The fourth proportional to 142,165,960.47, 213,327,628.98 and 69,383,344.05 is: 104,113,419.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,165,960.47 : 213,327,628.98 = 69,383,344.05 : x
  2. Step 2: Convert to fraction form
    142,165,960.47/213,327,628.98 = 69,383,344.05/x
  3. Step 3: Cross multiply
    142,165,960.47x = 213,327,628.98 × 69,383,344.05
  4. Step 4: Simplify right side
    142,165,960.47x = 14,801,384,276,890,090
  5. Step 5: Solve for x
    x = 14,801,384,276,890,090/142,165,960.47
  6. Step 6: Final answer
    x = 104,113,419.47

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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.