Home / 164,382,455-226,839,726.78-90,043,345.40

Finding the Fourth Proportional to 164,382,455, 226,839,726.78 and 90,043,345.40

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Solution

The fourth proportional to 164,382,455, 226,839,726.78 and 90,043,345.40 is: 124,255,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,382,455 : 226,839,726.78 = 90,043,345.40 : x
  2. Step 2: Convert to fraction form
    164,382,455/226,839,726.78 = 90,043,345.40/x
  3. Step 3: Cross multiply
    164,382,455x = 226,839,726.78 × 90,043,345.40
  4. Step 4: Simplify right side
    164,382,455x = 20,425,407,868,893,172
  5. Step 5: Solve for x
    x = 20,425,407,868,893,172/164,382,455
  6. Step 6: Final answer
    x = 124,255,401.03

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1.5x scale

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.