Home / 158,949,906.60-238,235,903.10-142,699,621.80

Finding the Fourth Proportional to 158,949,906.60, 238,235,903.10 and 142,699,621.80

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Solution

The fourth proportional to 158,949,906.60, 238,235,903.10 and 142,699,621.80 is: 213,879,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,949,906.60 : 238,235,903.10 = 142,699,621.80 : x
  2. Step 2: Convert to fraction form
    158,949,906.60/238,235,903.10 = 142,699,621.80/x
  3. Step 3: Cross multiply
    158,949,906.60x = 238,235,903.10 × 142,699,621.80
  4. Step 4: Simplify right side
    158,949,906.60x = 33,996,173,271,551,448
  5. Step 5: Solve for x
    x = 33,996,173,271,551,448/158,949,906.60
  6. Step 6: Final answer
    x = 213,879,793.95

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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.