Home / 163,840,653.78-226,091,027.80-89,486,410.02

Finding the Fourth Proportional to 163,840,653.78, 226,091,027.80 and 89,486,410.02

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Solution

The fourth proportional to 163,840,653.78, 226,091,027.80 and 89,486,410.02 is: 123,486,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,840,653.78 : 226,091,027.80 = 89,486,410.02 : x
  2. Step 2: Convert to fraction form
    163,840,653.78/226,091,027.80 = 89,486,410.02/x
  3. Step 3: Cross multiply
    163,840,653.78x = 226,091,027.80 × 89,486,410.02
  4. Step 4: Simplify right side
    163,840,653.78x = 20,232,074,415,554,020
  5. Step 5: Solve for x
    x = 20,232,074,415,554,020/163,840,653.78
  6. Step 6: Final answer
    x = 123,486,289.57

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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.