Home / 259,597,218.60-389,395,827.90-173,055,004.20

Finding the Fourth Proportional to 259,597,218.60, 389,395,827.90 and 173,055,004.20

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Solution

The fourth proportional to 259,597,218.60, 389,395,827.90 and 173,055,004.20 is: 259,582,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,597,218.60 : 389,395,827.90 = 173,055,004.20 : x
  2. Step 2: Convert to fraction form
    259,597,218.60/389,395,827.90 = 173,055,004.20/x
  3. Step 3: Cross multiply
    259,597,218.60x = 389,395,827.90 × 173,055,004.20
  4. Step 4: Simplify right side
    259,597,218.60x = 67,386,896,632,696,968
  5. Step 5: Solve for x
    x = 67,386,896,632,696,968/259,597,218.60
  6. Step 6: Final answer
    x = 259,582,506.30

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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.