Home / 289,959,845.60-434,939,768.40-160,965,336.80

Finding the Fourth Proportional to 289,959,845.60, 434,939,768.40 and 160,965,336.80

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Solution

The fourth proportional to 289,959,845.60, 434,939,768.40 and 160,965,336.80 is: 241,448,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,959,845.60 : 434,939,768.40 = 160,965,336.80 : x
  2. Step 2: Convert to fraction form
    289,959,845.60/434,939,768.40 = 160,965,336.80/x
  3. Step 3: Cross multiply
    289,959,845.60x = 434,939,768.40 × 160,965,336.80
  4. Step 4: Simplify right side
    289,959,845.60x = 70,010,226,308,220,000
  5. Step 5: Solve for x
    x = 70,010,226,308,220,000/289,959,845.60
  6. Step 6: Final answer
    x = 241,448,005.20

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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.