Home / 205,606,319.80-308,410,529.46-69,292,884.28

Finding the Fourth Proportional to 205,606,319.80, 308,410,529.46 and 69,292,884.28

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Solution

The fourth proportional to 205,606,319.80, 308,410,529.46 and 69,292,884.28 is: 103,939,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,606,319.80 : 308,410,529.46 = 69,292,884.28 : x
  2. Step 2: Convert to fraction form
    205,606,319.80/308,410,529.46 = 69,292,884.28/x
  3. Step 3: Cross multiply
    205,606,319.80x = 308,410,529.46 × 69,292,884.28
  4. Step 4: Simplify right side
    205,606,319.80x = 21,370,655,128,605,308
  5. Step 5: Solve for x
    x = 21,370,655,128,605,308/205,606,319.80
  6. Step 6: Final answer
    x = 103,939,680.21

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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.