Home / 109,295,999.80-163,943,999.70-28,516,967.80

Finding the Fourth Proportional to 109,295,999.80, 163,943,999.70 and 28,516,967.80

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Solution

The fourth proportional to 109,295,999.80, 163,943,999.70 and 28,516,967.80 is: 42,775,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,295,999.80 : 163,943,999.70 = 28,516,967.80 : x
  2. Step 2: Convert to fraction form
    109,295,999.80/163,943,999.70 = 28,516,967.80/x
  3. Step 3: Cross multiply
    109,295,999.80x = 163,943,999.70 × 28,516,967.80
  4. Step 4: Simplify right side
    109,295,999.80x = 4,675,185,760,448,109
  5. Step 5: Solve for x
    x = 4,675,185,760,448,109/109,295,999.80
  6. Step 6: Final answer
    x = 42,775,451.70

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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.