Home / 109,890,064.20-164,835,096.30-103,619,497.80

Finding the Fourth Proportional to 109,890,064.20, 164,835,096.30 and 103,619,497.80

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Solution

The fourth proportional to 109,890,064.20, 164,835,096.30 and 103,619,497.80 is: 155,429,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890,064.20 : 164,835,096.30 = 103,619,497.80 : x
  2. Step 2: Convert to fraction form
    109,890,064.20/164,835,096.30 = 103,619,497.80/x
  3. Step 3: Cross multiply
    109,890,064.20x = 164,835,096.30 × 103,619,497.80
  4. Step 4: Simplify right side
    109,890,064.20x = 17,080,129,898,420,638
  5. Step 5: Solve for x
    x = 17,080,129,898,420,638/109,890,064.20
  6. Step 6: Final answer
    x = 155,429,246.70

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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.