Home / 216,021,315.89-298,110,168.65-116,902,038.44

Finding the Fourth Proportional to 216,021,315.89, 298,110,168.65 and 116,902,038.44

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Solution

The fourth proportional to 216,021,315.89, 298,110,168.65 and 116,902,038.44 is: 161,325,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,021,315.89 : 298,110,168.65 = 116,902,038.44 : x
  2. Step 2: Convert to fraction form
    216,021,315.89/298,110,168.65 = 116,902,038.44/x
  3. Step 3: Cross multiply
    216,021,315.89x = 298,110,168.65 × 116,902,038.44
  4. Step 4: Simplify right side
    216,021,315.89x = 34,849,686,394,292,668
  5. Step 5: Solve for x
    x = 34,849,686,394,292,668/216,021,315.89
  6. Step 6: Final answer
    x = 161,325,220.39

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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.