Home / 189,917,999.60-284,876,999.40-173,289,801.20

Finding the Fourth Proportional to 189,917,999.60, 284,876,999.40 and 173,289,801.20

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Solution

The fourth proportional to 189,917,999.60, 284,876,999.40 and 173,289,801.20 is: 259,934,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,917,999.60 : 284,876,999.40 = 173,289,801.20 : x
  2. Step 2: Convert to fraction form
    189,917,999.60/284,876,999.40 = 173,289,801.20/x
  3. Step 3: Cross multiply
    189,917,999.60x = 284,876,999.40 × 173,289,801.20
  4. Step 4: Simplify right side
    189,917,999.60x = 49,366,278,592,478,512
  5. Step 5: Solve for x
    x = 49,366,278,592,478,512/189,917,999.60
  6. Step 6: Final answer
    x = 259,934,701.80

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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.