Home / 142,860,355.22-214,267,576.61-39,205,346.96

Finding the Fourth Proportional to 142,860,355.22, 214,267,576.61 and 39,205,346.96

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Solution

The fourth proportional to 142,860,355.22, 214,267,576.61 and 39,205,346.96 is: 58,801,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,860,355.22 : 214,267,576.61 = 39,205,346.96 : x
  2. Step 2: Convert to fraction form
    142,860,355.22/214,267,576.61 = 39,205,346.96/x
  3. Step 3: Cross multiply
    142,860,355.22x = 214,267,576.61 × 39,205,346.96
  4. Step 4: Simplify right side
    142,860,355.22x = 8,400,434,683,077,404
  5. Step 5: Solve for x
    x = 8,400,434,683,077,404/142,860,355.22
  6. Step 6: Final answer
    x = 58,801,720.53

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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.