Home / 371,145,259.64-512,180,442.06-206,148,181.88

Finding the Fourth Proportional to 371,145,259.64, 512,180,442.06 and 206,148,181.88

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Solution

The fourth proportional to 371,145,259.64, 512,180,442.06 and 206,148,181.88 is: 284,484,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,145,259.64 : 512,180,442.06 = 206,148,181.88 : x
  2. Step 2: Convert to fraction form
    371,145,259.64/512,180,442.06 = 206,148,181.88/x
  3. Step 3: Cross multiply
    371,145,259.64x = 512,180,442.06 × 206,148,181.88
  4. Step 4: Simplify right side
    371,145,259.64x = 105,585,066,925,163,680
  5. Step 5: Solve for x
    x = 105,585,066,925,163,680/371,145,259.64
  6. Step 6: Final answer
    x = 284,484,481.97

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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.