Home / 143,267,302.90-214,946,383.47-51,149,065.78

Finding the Fourth Proportional to 143,267,302.90, 214,946,383.47 and 51,149,065.78

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Solution

The fourth proportional to 143,267,302.90, 214,946,383.47 and 51,149,065.78 is: 76,739,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267,302.90 : 214,946,383.47 = 51,149,065.78 : x
  2. Step 2: Convert to fraction form
    143,267,302.90/214,946,383.47 = 51,149,065.78/x
  3. Step 3: Cross multiply
    143,267,302.90x = 214,946,383.47 × 51,149,065.78
  4. Step 4: Simplify right side
    143,267,302.90x = 10,994,306,707,280,134
  5. Step 5: Solve for x
    x = 10,994,306,707,280,134/143,267,302.90
  6. Step 6: Final answer
    x = 76,739,817.70

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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.