Home / 147,624,178.80-221,436,268.20-70,928,713.20

Finding the Fourth Proportional to 147,624,178.80, 221,436,268.20 and 70,928,713.20

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Solution

The fourth proportional to 147,624,178.80, 221,436,268.20 and 70,928,713.20 is: 106,393,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,178.80 : 221,436,268.20 = 70,928,713.20 : x
  2. Step 2: Convert to fraction form
    147,624,178.80/221,436,268.20 = 70,928,713.20/x
  3. Step 3: Cross multiply
    147,624,178.80x = 221,436,268.20 × 70,928,713.20
  4. Step 4: Simplify right side
    147,624,178.80x = 15,706,189,559,236,080
  5. Step 5: Solve for x
    x = 15,706,189,559,236,080/147,624,178.80
  6. Step 6: Final answer
    x = 106,393,069.80

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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.