Home / 147,743,274.80-221,614,912.20-45,494,026.40

Finding the Fourth Proportional to 147,743,274.80, 221,614,912.20 and 45,494,026.40

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Solution

The fourth proportional to 147,743,274.80, 221,614,912.20 and 45,494,026.40 is: 68,241,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,274.80 : 221,614,912.20 = 45,494,026.40 : x
  2. Step 2: Convert to fraction form
    147,743,274.80/221,614,912.20 = 45,494,026.40/x
  3. Step 3: Cross multiply
    147,743,274.80x = 221,614,912.20 × 45,494,026.40
  4. Step 4: Simplify right side
    147,743,274.80x = 10,082,154,666,260,482
  5. Step 5: Solve for x
    x = 10,082,154,666,260,482/147,743,274.80
  6. Step 6: Final answer
    x = 68,241,039.60

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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.