Home / 258,555,259.85-387,830,333.75-118,455,977.52

Finding the Fourth Proportional to 258,555,259.85, 387,830,333.75 and 118,455,977.52

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Solution

The fourth proportional to 258,555,259.85, 387,830,333.75 and 118,455,977.52 is: 177,682,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,555,259.85 : 387,830,333.75 = 118,455,977.52 : x
  2. Step 2: Convert to fraction form
    258,555,259.85/387,830,333.75 = 118,455,977.52/x
  3. Step 3: Cross multiply
    258,555,259.85x = 387,830,333.75 × 118,455,977.52
  4. Step 4: Simplify right side
    258,555,259.85x = 45,940,821,295,671,816
  5. Step 5: Solve for x
    x = 45,940,821,295,671,816/258,555,259.85
  6. Step 6: Final answer
    x = 177,682,795.25

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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.