Home / 216,003,459.45-298,085,292.19-116,885,270.43

Finding the Fourth Proportional to 216,003,459.45, 298,085,292.19 and 116,885,270.43

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Solution

The fourth proportional to 216,003,459.45, 298,085,292.19 and 116,885,270.43 is: 161,301,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,003,459.45 : 298,085,292.19 = 116,885,270.43 : x
  2. Step 2: Convert to fraction form
    216,003,459.45/298,085,292.19 = 116,885,270.43/x
  3. Step 3: Cross multiply
    216,003,459.45x = 298,085,292.19 × 116,885,270.43
  4. Step 4: Simplify right side
    216,003,459.45x = 34,841,779,988,322,932
  5. Step 5: Solve for x
    x = 34,841,779,988,322,932/216,003,459.45
  6. Step 6: Final answer
    x = 161,301,953.57

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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.