Home / 172,405,055.10-258,607,582.65-163,901,999.10

Finding the Fourth Proportional to 172,405,055.10, 258,607,582.65 and 163,901,999.10

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Solution

The fourth proportional to 172,405,055.10, 258,607,582.65 and 163,901,999.10 is: 245,852,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,405,055.10 : 258,607,582.65 = 163,901,999.10 : x
  2. Step 2: Convert to fraction form
    172,405,055.10/258,607,582.65 = 163,901,999.10/x
  3. Step 3: Cross multiply
    172,405,055.10x = 258,607,582.65 × 163,901,999.10
  4. Step 4: Simplify right side
    172,405,055.10x = 42,386,299,778,753,472
  5. Step 5: Solve for x
    x = 42,386,299,778,753,472/172,405,055.10
  6. Step 6: Final answer
    x = 245,852,998.65

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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.