Home / 289,725,415.20-434,588,122.80-95,666,781.60

Finding the Fourth Proportional to 289,725,415.20, 434,588,122.80 and 95,666,781.60

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Solution

The fourth proportional to 289,725,415.20, 434,588,122.80 and 95,666,781.60 is: 143,500,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,725,415.20 : 434,588,122.80 = 95,666,781.60 : x
  2. Step 2: Convert to fraction form
    289,725,415.20/434,588,122.80 = 95,666,781.60/x
  3. Step 3: Cross multiply
    289,725,415.20x = 434,588,122.80 × 95,666,781.60
  4. Step 4: Simplify right side
    289,725,415.20x = 41,575,647,029,861,576
  5. Step 5: Solve for x
    x = 41,575,647,029,861,576/289,725,415.20
  6. Step 6: Final answer
    x = 143,500,172.40

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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.