Home / 214,012,845.60-321,019,268.40-140,036,258.40

Finding the Fourth Proportional to 214,012,845.60, 321,019,268.40 and 140,036,258.40

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Solution

The fourth proportional to 214,012,845.60, 321,019,268.40 and 140,036,258.40 is: 210,054,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,012,845.60 : 321,019,268.40 = 140,036,258.40 : x
  2. Step 2: Convert to fraction form
    214,012,845.60/321,019,268.40 = 140,036,258.40/x
  3. Step 3: Cross multiply
    214,012,845.60x = 321,019,268.40 × 140,036,258.40
  4. Step 4: Simplify right side
    214,012,845.60x = 44,954,337,221,041,352
  5. Step 5: Solve for x
    x = 44,954,337,221,041,352/214,012,845.60
  6. Step 6: Final answer
    x = 210,054,387.60

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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.