Home / 163,341,815.48-225,409,036.62-89,003,257.94

Finding the Fourth Proportional to 163,341,815.48, 225,409,036.62 and 89,003,257.94

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Solution

The fourth proportional to 163,341,815.48, 225,409,036.62 and 89,003,257.94 is: 122,823,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341,815.48 : 225,409,036.62 = 89,003,257.94 : x
  2. Step 2: Convert to fraction form
    163,341,815.48/225,409,036.62 = 89,003,257.94/x
  3. Step 3: Cross multiply
    163,341,815.48x = 225,409,036.62 × 89,003,257.94
  4. Step 4: Simplify right side
    163,341,815.48x = 20,062,138,628,296,764
  5. Step 5: Solve for x
    x = 20,062,138,628,296,764/163,341,815.48
  6. Step 6: Final answer
    x = 122,823,041.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.