Home / 102,937,198.20-154,405,797.30-34,778,905.80

Finding the Fourth Proportional to 102,937,198.20, 154,405,797.30 and 34,778,905.80

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Solution

The fourth proportional to 102,937,198.20, 154,405,797.30 and 34,778,905.80 is: 52,168,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937,198.20 : 154,405,797.30 = 34,778,905.80 : x
  2. Step 2: Convert to fraction form
    102,937,198.20/154,405,797.30 = 34,778,905.80/x
  3. Step 3: Cross multiply
    102,937,198.20x = 154,405,797.30 × 34,778,905.80
  4. Step 4: Simplify right side
    102,937,198.20x = 5,370,064,679,270,594
  5. Step 5: Solve for x
    x = 5,370,064,679,270,594/102,937,198.20
  6. Step 6: Final answer
    x = 52,168,358.70

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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.