Home / 172,405,055.60-258,607,583.40-163,901,999.60

Finding the Fourth Proportional to 172,405,055.60, 258,607,583.40 and 163,901,999.60

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Solution

The fourth proportional to 172,405,055.60, 258,607,583.40 and 163,901,999.60 is: 245,852,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,405,055.60 : 258,607,583.40 = 163,901,999.60 : x
  2. Step 2: Convert to fraction form
    172,405,055.60/258,607,583.40 = 163,901,999.60/x
  3. Step 3: Cross multiply
    172,405,055.60x = 258,607,583.40 × 163,901,999.60
  4. Step 4: Simplify right side
    172,405,055.60x = 42,386,300,030,983,768
  5. Step 5: Solve for x
    x = 42,386,300,030,983,768/172,405,055.60
  6. Step 6: Final answer
    x = 245,852,999.40

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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.