Home / 301,056,429.78-451,596,890.34-143,408,401.62

Finding the Fourth Proportional to 301,056,429.78, 451,596,890.34 and 143,408,401.62

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Solution

The fourth proportional to 301,056,429.78, 451,596,890.34 and 143,408,401.62 is: 215,118,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,056,429.78 : 451,596,890.34 = 143,408,401.62 : x
  2. Step 2: Convert to fraction form
    301,056,429.78/451,596,890.34 = 143,408,401.62/x
  3. Step 3: Cross multiply
    301,056,429.78x = 451,596,890.34 × 143,408,401.62
  4. Step 4: Simplify right side
    301,056,429.78x = 64,762,788,220,221,816
  5. Step 5: Solve for x
    x = 64,762,788,220,221,816/301,056,429.78
  6. Step 6: Final answer
    x = 215,118,435.66

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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.