Home / 186,416,411.28-257,256,664.90-102,784,703.72

Finding the Fourth Proportional to 186,416,411.28, 257,256,664.90 and 102,784,703.72

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Solution

The fourth proportional to 186,416,411.28, 257,256,664.90 and 102,784,703.72 is: 141,844,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,416,411.28 : 257,256,664.90 = 102,784,703.72 : x
  2. Step 2: Convert to fraction form
    186,416,411.28/257,256,664.90 = 102,784,703.72/x
  3. Step 3: Cross multiply
    186,416,411.28x = 257,256,664.90 × 102,784,703.72
  4. Step 4: Simplify right side
    186,416,411.28x = 26,442,050,081,741,824
  5. Step 5: Solve for x
    x = 26,442,050,081,741,824/186,416,411.28
  6. Step 6: Final answer
    x = 141,844,003.43

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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.