Home / 186,786,211.20-279,423,489.60-164,111,395.20

Finding the Fourth Proportional to 186,786,211.20, 279,423,489.60 and 164,111,395.20

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Solution

The fourth proportional to 186,786,211.20, 279,423,489.60 and 164,111,395.20 is: 245,503,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,786,211.20 : 279,423,489.60 = 164,111,395.20 : x
  2. Step 2: Convert to fraction form
    186,786,211.20/279,423,489.60 = 164,111,395.20/x
  3. Step 3: Cross multiply
    186,786,211.20x = 279,423,489.60 × 164,111,395.20
  4. Step 4: Simplify right side
    186,786,211.20x = 45,856,578,729,908,688
  5. Step 5: Solve for x
    x = 45,856,578,729,908,688/186,786,211.20
  6. Step 6: Final answer
    x = 245,503,018.85

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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.