Home / 60,109,254-90,178,555.68-19,168,694.64

Finding the Fourth Proportional to 60,109,254, 90,178,555.68 and 19,168,694.64

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Solution

The fourth proportional to 60,109,254, 90,178,555.68 and 19,168,694.64 is: 28,757,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,109,254 : 90,178,555.68 = 19,168,694.64 : x
  2. Step 2: Convert to fraction form
    60,109,254/90,178,555.68 = 19,168,694.64/x
  3. Step 3: Cross multiply
    60,109,254x = 90,178,555.68 × 19,168,694.64
  4. Step 4: Simplify right side
    60,109,254x = 1,728,605,196,906,157.75
  5. Step 5: Solve for x
    x = 1,728,605,196,906,157.75/60,109,254
  6. Step 6: Final answer
    x = 28,757,721.68

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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.