Home / 209,300,237.80-314,136,980.70-122,930,650.60

Finding the Fourth Proportional to 209,300,237.80, 314,136,980.70 and 122,930,650.60

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Solution

The fourth proportional to 209,300,237.80, 314,136,980.70 and 122,930,650.60 is: 184,505,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,300,237.80 : 314,136,980.70 = 122,930,650.60 : x
  2. Step 2: Convert to fraction form
    209,300,237.80/314,136,980.70 = 122,930,650.60/x
  3. Step 3: Cross multiply
    209,300,237.80x = 314,136,980.70 × 122,930,650.60
  4. Step 4: Simplify right side
    209,300,237.80x = 38,617,063,414,970,640
  5. Step 5: Solve for x
    x = 38,617,063,414,970,640/209,300,237.80
  6. Step 6: Final answer
    x = 184,505,587.86

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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.