Home / 118,342,016.40-177,429,043.80-45,530,662.80

Finding the Fourth Proportional to 118,342,016.40, 177,429,043.80 and 45,530,662.80

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Solution

The fourth proportional to 118,342,016.40, 177,429,043.80 and 45,530,662.80 is: 68,263,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,342,016.40 : 177,429,043.80 = 45,530,662.80 : x
  2. Step 2: Convert to fraction form
    118,342,016.40/177,429,043.80 = 45,530,662.80/x
  3. Step 3: Cross multiply
    118,342,016.40x = 177,429,043.80 × 45,530,662.80
  4. Step 4: Simplify right side
    118,342,016.40x = 8,078,461,964,184,231
  5. Step 5: Solve for x
    x = 8,078,461,964,184,231/118,342,016.40
  6. Step 6: Final answer
    x = 68,263,683.60

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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.