Home / 147,624,216.40-221,435,158.20-38,449,176.40

Finding the Fourth Proportional to 147,624,216.40, 221,435,158.20 and 38,449,176.40

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Solution

The fourth proportional to 147,624,216.40, 221,435,158.20 and 38,449,176.40 is: 57,673,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,624,216.40 : 221,435,158.20 = 38,449,176.40 : x
  2. Step 2: Convert to fraction form
    147,624,216.40/221,435,158.20 = 38,449,176.40/x
  3. Step 3: Cross multiply
    147,624,216.40x = 221,435,158.20 × 38,449,176.40
  4. Step 4: Simplify right side
    147,624,216.40x = 8,513,999,458,793,706
  5. Step 5: Solve for x
    x = 8,513,999,458,793,706/147,624,216.40
  6. Step 6: Final answer
    x = 57,673,460.81

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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.