Home / 220,583,439.90-330,237,430.65-214,206,147.90

Finding the Fourth Proportional to 220,583,439.90, 330,237,430.65 and 214,206,147.90

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Solution

The fourth proportional to 220,583,439.90, 330,237,430.65 and 214,206,147.90 is: 320,689,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,583,439.90 : 330,237,430.65 = 214,206,147.90 : x
  2. Step 2: Convert to fraction form
    220,583,439.90/330,237,430.65 = 214,206,147.90/x
  3. Step 3: Cross multiply
    220,583,439.90x = 330,237,430.65 × 214,206,147.90
  4. Step 4: Simplify right side
    220,583,439.90x = 70,738,887,911,929,888
  5. Step 5: Solve for x
    x = 70,738,887,911,929,888/220,583,439.90
  6. Step 6: Final answer
    x = 320,689,930.05

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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.