Home / 143,946,865.14-198,440,065.36-102,622,012.98

Finding the Fourth Proportional to 143,946,865.14, 198,440,065.36 and 102,622,012.98

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Solution

The fourth proportional to 143,946,865.14, 198,440,065.36 and 102,622,012.98 is: 141,471,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,946,865.14 : 198,440,065.36 = 102,622,012.98 : x
  2. Step 2: Convert to fraction form
    143,946,865.14/198,440,065.36 = 102,622,012.98/x
  3. Step 3: Cross multiply
    143,946,865.14x = 198,440,065.36 × 102,622,012.98
  4. Step 4: Simplify right side
    143,946,865.14x = 20,364,318,963,125,972
  5. Step 5: Solve for x
    x = 20,364,318,963,125,972/143,946,865.14
  6. Step 6: Final answer
    x = 141,471,083.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.