Home / 118,643,140.80-177,765,645.60-57,928,132.80

Finding the Fourth Proportional to 118,643,140.80, 177,765,645.60 and 57,928,132.80

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Solution

The fourth proportional to 118,643,140.80, 177,765,645.60 and 57,928,132.80 is: 86,795,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,643,140.80 : 177,765,645.60 = 57,928,132.80 : x
  2. Step 2: Convert to fraction form
    118,643,140.80/177,765,645.60 = 57,928,132.80/x
  3. Step 3: Cross multiply
    118,643,140.80x = 177,765,645.60 × 57,928,132.80
  4. Step 4: Simplify right side
    118,643,140.80x = 10,297,631,925,594,534
  5. Step 5: Solve for x
    x = 10,297,631,925,594,534/118,643,140.80
  6. Step 6: Final answer
    x = 86,795,004.38

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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.