Home / 258,555,259.32-387,830,333-118,455,977.02

Finding the Fourth Proportional to 258,555,259.32, 387,830,333 and 118,455,977.02

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Solution

The fourth proportional to 258,555,259.32, 387,830,333 and 118,455,977.02 is: 177,682,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,555,259.32 : 387,830,333 = 118,455,977.02 : x
  2. Step 2: Convert to fraction form
    258,555,259.32/387,830,333 = 118,455,977.02/x
  3. Step 3: Cross multiply
    258,555,259.32x = 387,830,333 × 118,455,977.02
  4. Step 4: Simplify right side
    258,555,259.32x = 45,940,821,013,506,944
  5. Step 5: Solve for x
    x = 45,940,821,013,506,944/258,555,259.32
  6. Step 6: Final answer
    x = 177,682,794.52

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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.