Home / 154,238,742,355.24-231,252,493,172.46-78,545,372,208.04

Finding the Fourth Proportional to 154,238,742,355.24, 231,252,493,172.46 and 78,545,372,208.04

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Solution

The fourth proportional to 154,238,742,355.24, 231,252,493,172.46 and 78,545,372,208.04 is: 117,764,271,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,238,742,355.24 : 231,252,493,172.46 = 78,545,372,208.04 : x
  2. Step 2: Convert to fraction form
    154,238,742,355.24/231,252,493,172.46 = 78,545,372,208.04/x
  3. Step 3: Cross multiply
    154,238,742,355.24x = 231,252,493,172.46 × 78,545,372,208.04
  4. Step 4: Simplify right side
    154,238,742,355.24x = 18,163,813,150,268,097,298,432
  5. Step 5: Solve for x
    x = 18,163,813,150,268,097,298,432/154,238,742,355.24
  6. Step 6: Final answer
    x = 117,764,271,627.90

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1.5x scale

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.