Home / 147,743,812.80-221,615,719.20-45,494,564.40

Finding the Fourth Proportional to 147,743,812.80, 221,615,719.20 and 45,494,564.40

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Solution

The fourth proportional to 147,743,812.80, 221,615,719.20 and 45,494,564.40 is: 68,241,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,812.80 : 221,615,719.20 = 45,494,564.40 : x
  2. Step 2: Convert to fraction form
    147,743,812.80/221,615,719.20 = 45,494,564.40/x
  3. Step 3: Cross multiply
    147,743,812.80x = 221,615,719.20 × 45,494,564.40
  4. Step 4: Simplify right side
    147,743,812.80x = 10,082,310,609,196,716
  5. Step 5: Solve for x
    x = 10,082,310,609,196,716/147,743,812.80
  6. Step 6: Final answer
    x = 68,241,846.60

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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.