Home / 216,021,812.98-298,110,843.85-116,902,534.10

Finding the Fourth Proportional to 216,021,812.98, 298,110,843.85 and 116,902,534.10

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Solution

The fourth proportional to 216,021,812.98, 298,110,843.85 and 116,902,534.10 is: 161,325,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021,812.98 : 298,110,843.85 = 116,902,534.10 : x
  2. Step 2: Convert to fraction form
    216,021,812.98/298,110,843.85 = 116,902,534.10/x
  3. Step 3: Cross multiply
    216,021,812.98x = 298,110,843.85 × 116,902,534.10
  4. Step 4: Simplify right side
    216,021,812.98x = 34,849,913,086,864,044
  5. Step 5: Solve for x
    x = 34,849,913,086,864,044/216,021,812.98
  6. Step 6: Final answer
    x = 161,325,898.56

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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.