Home / 147,624,563.80-221,436,845.70-86,150,618.20

Finding the Fourth Proportional to 147,624,563.80, 221,436,845.70 and 86,150,618.20

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Solution

The fourth proportional to 147,624,563.80, 221,436,845.70 and 86,150,618.20 is: 129,225,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,563.80 : 221,436,845.70 = 86,150,618.20 : x
  2. Step 2: Convert to fraction form
    147,624,563.80/221,436,845.70 = 86,150,618.20/x
  3. Step 3: Cross multiply
    147,624,563.80x = 221,436,845.70 × 86,150,618.20
  4. Step 4: Simplify right side
    147,624,563.80x = 19,076,921,149,313,012
  5. Step 5: Solve for x
    x = 19,076,921,149,313,012/147,624,563.80
  6. Step 6: Final answer
    x = 129,225,927.30

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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.