Home / 280,849,008.60-421,105,551.30-144,800,112.60

Finding the Fourth Proportional to 280,849,008.60, 421,105,551.30 and 144,800,112.60

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Solution

The fourth proportional to 280,849,008.60, 421,105,551.30 and 144,800,112.60 is: 217,113,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,849,008.60 : 421,105,551.30 = 144,800,112.60 : x
  2. Step 2: Convert to fraction form
    280,849,008.60/421,105,551.30 = 144,800,112.60/x
  3. Step 3: Cross multiply
    280,849,008.60x = 421,105,551.30 × 144,800,112.60
  4. Step 4: Simplify right side
    280,849,008.60x = 60,976,131,244,725,072
  5. Step 5: Solve for x
    x = 60,976,131,244,725,072/280,849,008.60
  6. Step 6: Final answer
    x = 217,113,571.27

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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.