Home / 345,692,453.78-518,708,923.43-161,433,150.50

Finding the Fourth Proportional to 345,692,453.78, 518,708,923.43 and 161,433,150.50

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Solution

The fourth proportional to 345,692,453.78, 518,708,923.43 and 161,433,150.50 is: 242,229,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,692,453.78 : 518,708,923.43 = 161,433,150.50 : x
  2. Step 2: Convert to fraction form
    345,692,453.78/518,708,923.43 = 161,433,150.50/x
  3. Step 3: Cross multiply
    345,692,453.78x = 518,708,923.43 × 161,433,150.50
  4. Step 4: Simplify right side
    345,692,453.78x = 83,736,815,704,927,312
  5. Step 5: Solve for x
    x = 83,736,815,704,927,312/345,692,453.78
  6. Step 6: Final answer
    x = 242,229,226.56

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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.