Home / 163,647,458.16-225,838,280.04-89,312,786.46

Finding the Fourth Proportional to 163,647,458.16, 225,838,280.04 and 89,312,786.46

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Solution

The fourth proportional to 163,647,458.16, 225,838,280.04 and 89,312,786.46 is: 123,254,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,458.16 : 225,838,280.04 = 89,312,786.46 : x
  2. Step 2: Convert to fraction form
    163,647,458.16/225,838,280.04 = 89,312,786.46/x
  3. Step 3: Cross multiply
    163,647,458.16x = 225,838,280.04 × 89,312,786.46
  4. Step 4: Simplify right side
    163,647,458.16x = 20,170,246,079,706,200
  5. Step 5: Solve for x
    x = 20,170,246,079,706,200/163,647,458.16
  6. Step 6: Final answer
    x = 123,254,258.31

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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.