Home / 216,646,291.62-298,971,882.44-123,828,792.39

Finding the Fourth Proportional to 216,646,291.62, 298,971,882.44 and 123,828,792.39

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Solution

The fourth proportional to 216,646,291.62, 298,971,882.44 and 123,828,792.39 is: 170,883,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,291.62 : 298,971,882.44 = 123,828,792.39 : x
  2. Step 2: Convert to fraction form
    216,646,291.62/298,971,882.44 = 123,828,792.39/x
  3. Step 3: Cross multiply
    216,646,291.62x = 298,971,882.44 × 123,828,792.39
  4. Step 4: Simplify right side
    216,646,291.62x = 37,021,327,158,996,248
  5. Step 5: Solve for x
    x = 37,021,327,158,996,248/216,646,291.62
  6. Step 6: Final answer
    x = 170,883,733.49

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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.