Home / 163,168,912.32-225,164,999.52-89,828,479.68

Finding the Fourth Proportional to 163,168,912.32, 225,164,999.52 and 89,828,479.68

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Solution

The fourth proportional to 163,168,912.32, 225,164,999.52 and 89,828,479.68 is: 123,958,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,168,912.32 : 225,164,999.52 = 89,828,479.68 : x
  2. Step 2: Convert to fraction form
    163,168,912.32/225,164,999.52 = 89,828,479.68/x
  3. Step 3: Cross multiply
    163,168,912.32x = 225,164,999.52 × 89,828,479.68
  4. Step 4: Simplify right side
    163,168,912.32x = 20,226,229,584,029,532
  5. Step 5: Solve for x
    x = 20,226,229,584,029,532/163,168,912.32
  6. Step 6: Final answer
    x = 123,958,843.00

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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.