Home / 75,076,208.20-112,614,312.30-31,946,818.60

Finding the Fourth Proportional to 75,076,208.20, 112,614,312.30 and 31,946,818.60

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Solution

The fourth proportional to 75,076,208.20, 112,614,312.30 and 31,946,818.60 is: 47,920,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076,208.20 : 112,614,312.30 = 31,946,818.60 : x
  2. Step 2: Convert to fraction form
    75,076,208.20/112,614,312.30 = 31,946,818.60/x
  3. Step 3: Cross multiply
    75,076,208.20x = 112,614,312.30 × 31,946,818.60
  4. Step 4: Simplify right side
    75,076,208.20x = 3,597,669,006,811,849
  5. Step 5: Solve for x
    x = 3,597,669,006,811,849/75,076,208.20
  6. Step 6: Final answer
    x = 47,920,227.90

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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.