Home / 186,786,369.45-279,423,726.98-164,111,553.45

Finding the Fourth Proportional to 186,786,369.45, 279,423,726.98 and 164,111,553.45

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Solution

The fourth proportional to 186,786,369.45, 279,423,726.98 and 164,111,553.45 is: 245,503,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,786,369.45 : 279,423,726.98 = 164,111,553.45 : x
  2. Step 2: Convert to fraction form
    186,786,369.45/279,423,726.98 = 164,111,553.45/x
  3. Step 3: Cross multiply
    186,786,369.45x = 279,423,726.98 × 164,111,553.45
  4. Step 4: Simplify right side
    186,786,369.45x = 45,856,661,904,655,920
  5. Step 5: Solve for x
    x = 45,856,661,904,655,920/186,786,369.45
  6. Step 6: Final answer
    x = 245,503,256.15

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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.