Home / 163,840,644.32-226,091,014.72-89,486,400.64

Finding the Fourth Proportional to 163,840,644.32, 226,091,014.72 and 89,486,400.64

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Solution

The fourth proportional to 163,840,644.32, 226,091,014.72 and 89,486,400.64 is: 123,486,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,840,644.32 : 226,091,014.72 = 89,486,400.64 : x
  2. Step 2: Convert to fraction form
    163,840,644.32/226,091,014.72 = 89,486,400.64/x
  3. Step 3: Cross multiply
    163,840,644.32x = 226,091,014.72 × 89,486,400.64
  4. Step 4: Simplify right side
    163,840,644.32x = 20,232,071,124,338,056
  5. Step 5: Solve for x
    x = 20,232,071,124,338,056/163,840,644.32
  6. Step 6: Final answer
    x = 123,486,276.61

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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.