Home / 60,109,512.60-90,168,009.12-21,771,358.84

Finding the Fourth Proportional to 60,109,512.60, 90,168,009.12 and 21,771,358.84

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Solution

The fourth proportional to 60,109,512.60, 90,168,009.12 and 21,771,358.84 is: 32,658,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109,512.60 : 90,168,009.12 = 21,771,358.84 : x
  2. Step 2: Convert to fraction form
    60,109,512.60/90,168,009.12 = 21,771,358.84/x
  3. Step 3: Cross multiply
    60,109,512.60x = 90,168,009.12 × 21,771,358.84
  4. Step 4: Simplify right side
    60,109,512.60x = 1,963,080,082,439,912.75
  5. Step 5: Solve for x
    x = 1,963,080,082,439,912.75/60,109,512.60
  6. Step 6: Final answer
    x = 32,658,392.95

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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.