Home / 172,655,972.56-259,168,322.94-74,336,369.50

Finding the Fourth Proportional to 172,655,972.56, 259,168,322.94 and 74,336,369.50

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Solution

The fourth proportional to 172,655,972.56, 259,168,322.94 and 74,336,369.50 is: 111,583,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,655,972.56 : 259,168,322.94 = 74,336,369.50 : x
  2. Step 2: Convert to fraction form
    172,655,972.56/259,168,322.94 = 74,336,369.50/x
  3. Step 3: Cross multiply
    172,655,972.56x = 259,168,322.94 × 74,336,369.50
  4. Step 4: Simplify right side
    172,655,972.56x = 19,265,632,216,763,168
  5. Step 5: Solve for x
    x = 19,265,632,216,763,168/172,655,972.56
  6. Step 6: Final answer
    x = 111,583,931.51

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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.