Home / 102,937,274.70-154,405,912.05-34,778,982.30

Finding the Fourth Proportional to 102,937,274.70, 154,405,912.05 and 34,778,982.30

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Solution

The fourth proportional to 102,937,274.70, 154,405,912.05 and 34,778,982.30 is: 52,168,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,937,274.70 : 154,405,912.05 = 34,778,982.30 : x
  2. Step 2: Convert to fraction form
    102,937,274.70/154,405,912.05 = 34,778,982.30/x
  3. Step 3: Cross multiply
    102,937,274.70x = 154,405,912.05 × 34,778,982.30
  4. Step 4: Simplify right side
    102,937,274.70x = 5,370,080,482,202,307
  5. Step 5: Solve for x
    x = 5,370,080,482,202,307/102,937,274.70
  6. Step 6: Final answer
    x = 52,168,473.45

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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.