Home / 248,018,680.40-371,146,222.20-216,021,995.60

Finding the Fourth Proportional to 248,018,680.40, 371,146,222.20 and 216,021,995.60

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Solution

The fourth proportional to 248,018,680.40, 371,146,222.20 and 216,021,995.60 is: 323,264,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,018,680.40 : 371,146,222.20 = 216,021,995.60 : x
  2. Step 2: Convert to fraction form
    248,018,680.40/371,146,222.20 = 216,021,995.60/x
  3. Step 3: Cross multiply
    248,018,680.40x = 371,146,222.20 × 216,021,995.60
  4. Step 4: Simplify right side
    248,018,680.40x = 80,175,747,579,045,024
  5. Step 5: Solve for x
    x = 80,175,747,579,045,024/248,018,680.40
  6. Step 6: Final answer
    x = 323,264,955.08

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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.