Home / 192,457,152.40-288,685,728.60-115,740,691.60

Finding the Fourth Proportional to 192,457,152.40, 288,685,728.60 and 115,740,691.60

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Solution

The fourth proportional to 192,457,152.40, 288,685,728.60 and 115,740,691.60 is: 173,611,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457,152.40 : 288,685,728.60 = 115,740,691.60 : x
  2. Step 2: Convert to fraction form
    192,457,152.40/288,685,728.60 = 115,740,691.60/x
  3. Step 3: Cross multiply
    192,457,152.40x = 288,685,728.60 × 115,740,691.60
  4. Step 4: Simplify right side
    192,457,152.40x = 33,412,685,883,213,900
  5. Step 5: Solve for x
    x = 33,412,685,883,213,900/192,457,152.40
  6. Step 6: Final answer
    x = 173,611,037.40

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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.