Home / 163,881,271.80-245,821,907.70-156,322,999.80

Finding the Fourth Proportional to 163,881,271.80, 245,821,907.70 and 156,322,999.80

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Solution

The fourth proportional to 163,881,271.80, 245,821,907.70 and 156,322,999.80 is: 234,484,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,881,271.80 : 245,821,907.70 = 156,322,999.80 : x
  2. Step 2: Convert to fraction form
    163,881,271.80/245,821,907.70 = 156,322,999.80/x
  3. Step 3: Cross multiply
    163,881,271.80x = 245,821,907.70 × 156,322,999.80
  4. Step 4: Simplify right side
    163,881,271.80x = 38,427,618,028,222,720
  5. Step 5: Solve for x
    x = 38,427,618,028,222,720/163,881,271.80
  6. Step 6: Final answer
    x = 234,484,499.70

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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.