Home / 216,019,211.49-323,897,600.88-84,704,169.66

Finding the Fourth Proportional to 216,019,211.49, 323,897,600.88 and 84,704,169.66

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Solution

The fourth proportional to 216,019,211.49, 323,897,600.88 and 84,704,169.66 is: 127,004,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,019,211.49 : 323,897,600.88 = 84,704,169.66 : x
  2. Step 2: Convert to fraction form
    216,019,211.49/323,897,600.88 = 84,704,169.66/x
  3. Step 3: Cross multiply
    216,019,211.49x = 323,897,600.88 × 84,704,169.66
  4. Step 4: Simplify right side
    216,019,211.49x = 27,435,477,337,406,484
  5. Step 5: Solve for x
    x = 27,435,477,337,406,484/216,019,211.49
  6. Step 6: Final answer
    x = 127,004,802.71

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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.