Home / 203,464,223.40-305,196,335.10-201,763,612.20

Finding the Fourth Proportional to 203,464,223.40, 305,196,335.10 and 201,763,612.20

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Solution

The fourth proportional to 203,464,223.40, 305,196,335.10 and 201,763,612.20 is: 302,645,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,464,223.40 : 305,196,335.10 = 201,763,612.20 : x
  2. Step 2: Convert to fraction form
    203,464,223.40/305,196,335.10 = 201,763,612.20/x
  3. Step 3: Cross multiply
    203,464,223.40x = 305,196,335.10 × 201,763,612.20
  4. Step 4: Simplify right side
    203,464,223.40x = 61,577,514,999,977,648
  5. Step 5: Solve for x
    x = 61,577,514,999,977,648/203,464,223.40
  6. Step 6: Final answer
    x = 302,645,418.30

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1.5x scale

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.