Home / 166,698,511.20-250,047,766.80-157,345,149.60

Finding the Fourth Proportional to 166,698,511.20, 250,047,766.80 and 157,345,149.60

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Solution

The fourth proportional to 166,698,511.20, 250,047,766.80 and 157,345,149.60 is: 236,017,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,698,511.20 : 250,047,766.80 = 157,345,149.60 : x
  2. Step 2: Convert to fraction form
    166,698,511.20/250,047,766.80 = 157,345,149.60/x
  3. Step 3: Cross multiply
    166,698,511.20x = 250,047,766.80 × 157,345,149.60
  4. Step 4: Simplify right side
    166,698,511.20x = 39,343,803,274,291,912
  5. Step 5: Solve for x
    x = 39,343,803,274,291,912/166,698,511.20
  6. Step 6: Final answer
    x = 236,017,724.40

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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.