Home / 268,142,684.84-402,211,457.16-158,889,211.64

Finding the Fourth Proportional to 268,142,684.84, 402,211,457.16 and 158,889,211.64

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Solution

The fourth proportional to 268,142,684.84, 402,211,457.16 and 158,889,211.64 is: 238,332,294.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,142,684.84 : 402,211,457.16 = 158,889,211.64 : x
  2. Step 2: Convert to fraction form
    268,142,684.84/402,211,457.16 = 158,889,211.64/x
  3. Step 3: Cross multiply
    268,142,684.84x = 402,211,457.16 × 158,889,211.64
  4. Step 4: Simplify right side
    268,142,684.84x = 63,907,061,340,728,032
  5. Step 5: Solve for x
    x = 63,907,061,340,728,032/268,142,684.84
  6. Step 6: Final answer
    x = 238,332,294.54

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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.