Home / 172,399,065.60-258,598,598.40-163,896,009.60

Finding the Fourth Proportional to 172,399,065.60, 258,598,598.40 and 163,896,009.60

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Solution

The fourth proportional to 172,399,065.60, 258,598,598.40 and 163,896,009.60 is: 245,844,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,399,065.60 : 258,598,598.40 = 163,896,009.60 : x
  2. Step 2: Convert to fraction form
    172,399,065.60/258,598,598.40 = 163,896,009.60/x
  3. Step 3: Cross multiply
    172,399,065.60x = 258,598,598.40 × 163,896,009.60
  4. Step 4: Simplify right side
    172,399,065.60x = 42,383,278,365,912,944
  5. Step 5: Solve for x
    x = 42,383,278,365,912,944/172,399,065.60
  6. Step 6: Final answer
    x = 245,844,014.40

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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.