Home / 216,660,417.84-298,991,956.14-117,541,165.23

Finding the Fourth Proportional to 216,660,417.84, 298,991,956.14 and 117,541,165.23

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Solution

The fourth proportional to 216,660,417.84, 298,991,956.14 and 117,541,165.23 is: 162,207,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,417.84 : 298,991,956.14 = 117,541,165.23 : x
  2. Step 2: Convert to fraction form
    216,660,417.84/298,991,956.14 = 117,541,165.23/x
  3. Step 3: Cross multiply
    216,660,417.84x = 298,991,956.14 × 117,541,165.23
  4. Step 4: Simplify right side
    216,660,417.84x = 35,143,862,919,092,652
  5. Step 5: Solve for x
    x = 35,143,862,919,092,652/216,660,417.84
  6. Step 6: Final answer
    x = 162,207,122.42

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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.