Home / 186,713,200.80-280,069,801.20-100,619,758.80

Finding the Fourth Proportional to 186,713,200.80, 280,069,801.20 and 100,619,758.80

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Solution

The fourth proportional to 186,713,200.80, 280,069,801.20 and 100,619,758.80 is: 150,929,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,713,200.80 : 280,069,801.20 = 100,619,758.80 : x
  2. Step 2: Convert to fraction form
    186,713,200.80/280,069,801.20 = 100,619,758.80/x
  3. Step 3: Cross multiply
    186,713,200.80x = 280,069,801.20 × 100,619,758.80
  4. Step 4: Simplify right side
    186,713,200.80x = 28,180,555,843,907,948
  5. Step 5: Solve for x
    x = 28,180,555,843,907,948/186,713,200.80
  6. Step 6: Final answer
    x = 150,929,638.20

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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.