Home / 221,464,867.60-332,097,768.60-85,104,931.60

Finding the Fourth Proportional to 221,464,867.60, 332,097,768.60 and 85,104,931.60

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Solution

The fourth proportional to 221,464,867.60, 332,097,768.60 and 85,104,931.60 is: 127,619,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,464,867.60 : 332,097,768.60 = 85,104,931.60 : x
  2. Step 2: Convert to fraction form
    221,464,867.60/332,097,768.60 = 85,104,931.60/x
  3. Step 3: Cross multiply
    221,464,867.60x = 332,097,768.60 × 85,104,931.60
  4. Step 4: Simplify right side
    221,464,867.60x = 28,263,157,881,215,628
  5. Step 5: Solve for x
    x = 28,263,157,881,215,628/221,464,867.60
  6. Step 6: Final answer
    x = 127,619,148.75

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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.