Home / 147,624,170.80-221,436,256.20-70,928,705.20

Finding the Fourth Proportional to 147,624,170.80, 221,436,256.20 and 70,928,705.20

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Solution

The fourth proportional to 147,624,170.80, 221,436,256.20 and 70,928,705.20 is: 106,393,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,170.80 : 221,436,256.20 = 70,928,705.20 : x
  2. Step 2: Convert to fraction form
    147,624,170.80/221,436,256.20 = 70,928,705.20/x
  3. Step 3: Cross multiply
    147,624,170.80x = 221,436,256.20 × 70,928,705.20
  4. Step 4: Simplify right side
    147,624,170.80x = 15,706,186,936,601,472
  5. Step 5: Solve for x
    x = 15,706,186,936,601,472/147,624,170.80
  6. Step 6: Final answer
    x = 106,393,057.80

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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.