Home / 143,267,298.40-214,946,376.72-51,149,061.28

Finding the Fourth Proportional to 143,267,298.40, 214,946,376.72 and 51,149,061.28

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Solution

The fourth proportional to 143,267,298.40, 214,946,376.72 and 51,149,061.28 is: 76,739,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267,298.40 : 214,946,376.72 = 51,149,061.28 : x
  2. Step 2: Convert to fraction form
    143,267,298.40/214,946,376.72 = 51,149,061.28/x
  3. Step 3: Cross multiply
    143,267,298.40x = 214,946,376.72 × 51,149,061.28
  4. Step 4: Simplify right side
    143,267,298.40x = 10,994,305,394,765,246
  5. Step 5: Solve for x
    x = 10,994,305,394,765,246/143,267,298.40
  6. Step 6: Final answer
    x = 76,739,810.95

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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.