Home / 172,405,054.60-258,607,581.90-163,901,998.60

Finding the Fourth Proportional to 172,405,054.60, 258,607,581.90 and 163,901,998.60

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Solution

The fourth proportional to 172,405,054.60, 258,607,581.90 and 163,901,998.60 is: 245,852,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,405,054.60 : 258,607,581.90 = 163,901,998.60 : x
  2. Step 2: Convert to fraction form
    172,405,054.60/258,607,581.90 = 163,901,998.60/x
  3. Step 3: Cross multiply
    172,405,054.60x = 258,607,581.90 × 163,901,998.60
  4. Step 4: Simplify right side
    172,405,054.60x = 42,386,299,526,523,184
  5. Step 5: Solve for x
    x = 42,386,299,526,523,184/172,405,054.60
  6. Step 6: Final answer
    x = 245,852,997.90

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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.