Home / 186,688,367.20-280,032,550.80-168,194,220.40

Finding the Fourth Proportional to 186,688,367.20, 280,032,550.80 and 168,194,220.40

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Solution

The fourth proportional to 186,688,367.20, 280,032,550.80 and 168,194,220.40 is: 252,291,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688,367.20 : 280,032,550.80 = 168,194,220.40 : x
  2. Step 2: Convert to fraction form
    186,688,367.20/280,032,550.80 = 168,194,220.40/x
  3. Step 3: Cross multiply
    186,688,367.20x = 280,032,550.80 × 168,194,220.40
  4. Step 4: Simplify right side
    186,688,367.20x = 47,099,856,568,429,400
  5. Step 5: Solve for x
    x = 47,099,856,568,429,400/186,688,367.20
  6. Step 6: Final answer
    x = 252,291,330.60

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1.5x scale

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.