Home / 193,429,672.80-290,144,509.20-168,235,432.80

Finding the Fourth Proportional to 193,429,672.80, 290,144,509.20 and 168,235,432.80

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Solution

The fourth proportional to 193,429,672.80, 290,144,509.20 and 168,235,432.80 is: 252,353,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,429,672.80 : 290,144,509.20 = 168,235,432.80 : x
  2. Step 2: Convert to fraction form
    193,429,672.80/290,144,509.20 = 168,235,432.80/x
  3. Step 3: Cross multiply
    193,429,672.80x = 290,144,509.20 × 168,235,432.80
  4. Step 4: Simplify right side
    193,429,672.80x = 48,812,587,079,805,584
  5. Step 5: Solve for x
    x = 48,812,587,079,805,584/193,429,672.80
  6. Step 6: Final answer
    x = 252,353,149.20

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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.