Home / 143,975,815.20-215,963,722.80-132,890,349.60

Finding the Fourth Proportional to 143,975,815.20, 215,963,722.80 and 132,890,349.60

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Solution

The fourth proportional to 143,975,815.20, 215,963,722.80 and 132,890,349.60 is: 199,335,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,975,815.20 : 215,963,722.80 = 132,890,349.60 : x
  2. Step 2: Convert to fraction form
    143,975,815.20/215,963,722.80 = 132,890,349.60/x
  3. Step 3: Cross multiply
    143,975,815.20x = 215,963,722.80 × 132,890,349.60
  4. Step 4: Simplify right side
    143,975,815.20x = 28,699,494,623,809,492
  5. Step 5: Solve for x
    x = 28,699,494,623,809,492/143,975,815.20
  6. Step 6: Final answer
    x = 199,335,524.40

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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.