Home / 186,111,679.74-256,836,018.70-102,487,586.74

Finding the Fourth Proportional to 186,111,679.74, 256,836,018.70 and 102,487,586.74

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Solution

The fourth proportional to 186,111,679.74, 256,836,018.70 and 102,487,586.74 is: 141,433,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,111,679.74 : 256,836,018.70 = 102,487,586.74 : x
  2. Step 2: Convert to fraction form
    186,111,679.74/256,836,018.70 = 102,487,586.74/x
  3. Step 3: Cross multiply
    186,111,679.74x = 256,836,018.70 × 102,487,586.74
  4. Step 4: Simplify right side
    186,111,679.74x = 26,322,503,744,472,508
  5. Step 5: Solve for x
    x = 26,322,503,744,472,508/186,111,679.74
  6. Step 6: Final answer
    x = 141,433,916.35

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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.