Home / 172,648,553.60-258,972,830.40-164,685,929.60

Finding the Fourth Proportional to 172,648,553.60, 258,972,830.40 and 164,685,929.60

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Solution

The fourth proportional to 172,648,553.60, 258,972,830.40 and 164,685,929.60 is: 247,028,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,648,553.60 : 258,972,830.40 = 164,685,929.60 : x
  2. Step 2: Convert to fraction form
    172,648,553.60/258,972,830.40 = 164,685,929.60/x
  3. Step 3: Cross multiply
    172,648,553.60x = 258,972,830.40 × 164,685,929.60
  4. Step 4: Simplify right side
    172,648,553.60x = 42,649,181,315,567,136
  5. Step 5: Solve for x
    x = 42,649,181,315,567,136/172,648,553.60
  6. Step 6: Final answer
    x = 247,028,894.40

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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.