Home / 148,085,513.20-222,128,269.80-105,038,792.20

Finding the Fourth Proportional to 148,085,513.20, 222,128,269.80 and 105,038,792.20

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Solution

The fourth proportional to 148,085,513.20, 222,128,269.80 and 105,038,792.20 is: 157,558,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,085,513.20 : 222,128,269.80 = 105,038,792.20 : x
  2. Step 2: Convert to fraction form
    148,085,513.20/222,128,269.80 = 105,038,792.20/x
  3. Step 3: Cross multiply
    148,085,513.20x = 222,128,269.80 × 105,038,792.20
  4. Step 4: Simplify right side
    148,085,513.20x = 23,332,085,173,267,736
  5. Step 5: Solve for x
    x = 23,332,085,173,267,736/148,085,513.20
  6. Step 6: Final answer
    x = 157,558,188.30

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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.