Home / 163,298,434.80-244,968,647.40-81,459,145.20

Finding the Fourth Proportional to 163,298,434.80, 244,968,647.40 and 81,459,145.20

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Solution

The fourth proportional to 163,298,434.80, 244,968,647.40 and 81,459,145.20 is: 122,199,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,298,434.80 : 244,968,647.40 = 81,459,145.20 : x
  2. Step 2: Convert to fraction form
    163,298,434.80/244,968,647.40 = 81,459,145.20/x
  3. Step 3: Cross multiply
    163,298,434.80x = 244,968,647.40 × 81,459,145.20
  4. Step 4: Simplify right side
    163,298,434.80x = 19,954,936,618,004,204
  5. Step 5: Solve for x
    x = 19,954,936,618,004,204/163,298,434.80
  6. Step 6: Final answer
    x = 122,199,190.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.