Home / 139,529,644.80-209,294,467.20-133,632,326.40

Finding the Fourth Proportional to 139,529,644.80, 209,294,467.20 and 133,632,326.40

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Solution

The fourth proportional to 139,529,644.80, 209,294,467.20 and 133,632,326.40 is: 200,448,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,529,644.80 : 209,294,467.20 = 133,632,326.40 : x
  2. Step 2: Convert to fraction form
    139,529,644.80/209,294,467.20 = 133,632,326.40/x
  3. Step 3: Cross multiply
    139,529,644.80x = 209,294,467.20 × 133,632,326.40
  4. Step 4: Simplify right side
    139,529,644.80x = 27,968,506,554,584,492
  5. Step 5: Solve for x
    x = 27,968,506,554,584,492/139,529,644.80
  6. Step 6: Final answer
    x = 200,448,489.60

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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.