Home / 268,274,047.20-401,915,059.20-152,915,920.80

Finding the Fourth Proportional to 268,274,047.20, 401,915,059.20 and 152,915,920.80

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Solution

The fourth proportional to 268,274,047.20, 401,915,059.20 and 152,915,920.80 is: 229,091,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,274,047.20 : 401,915,059.20 = 152,915,920.80 : x
  2. Step 2: Convert to fraction form
    268,274,047.20/401,915,059.20 = 152,915,920.80/x
  3. Step 3: Cross multiply
    268,274,047.20x = 401,915,059.20 × 152,915,920.80
  4. Step 4: Simplify right side
    268,274,047.20x = 61,459,211,360,954,512
  5. Step 5: Solve for x
    x = 61,459,211,360,954,512/268,274,047.20
  6. Step 6: Final answer
    x = 229,091,155.12

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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.