Home / 252,269,868.20-378,404,802.30-88,692,328.40

Finding the Fourth Proportional to 252,269,868.20, 378,404,802.30 and 88,692,328.40

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Solution

The fourth proportional to 252,269,868.20, 378,404,802.30 and 88,692,328.40 is: 133,038,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,269,868.20 : 378,404,802.30 = 88,692,328.40 : x
  2. Step 2: Convert to fraction form
    252,269,868.20/378,404,802.30 = 88,692,328.40/x
  3. Step 3: Cross multiply
    252,269,868.20x = 378,404,802.30 × 88,692,328.40
  4. Step 4: Simplify right side
    252,269,868.20x = 33,561,602,993,728,680
  5. Step 5: Solve for x
    x = 33,561,602,993,728,680/252,269,868.20
  6. Step 6: Final answer
    x = 133,038,492.60

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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.