Home / 75,076,207.20-112,614,310.80-31,946,817.60

Finding the Fourth Proportional to 75,076,207.20, 112,614,310.80 and 31,946,817.60

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Solution

The fourth proportional to 75,076,207.20, 112,614,310.80 and 31,946,817.60 is: 47,920,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076,207.20 : 112,614,310.80 = 31,946,817.60 : x
  2. Step 2: Convert to fraction form
    75,076,207.20/112,614,310.80 = 31,946,817.60/x
  3. Step 3: Cross multiply
    75,076,207.20x = 112,614,310.80 × 31,946,817.60
  4. Step 4: Simplify right side
    75,076,207.20x = 3,597,668,846,277,310
  5. Step 5: Solve for x
    x = 3,597,668,846,277,310/75,076,207.20
  6. Step 6: Final answer
    x = 47,920,226.40

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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.