Home / 186,416,410.28-257,256,663.52-102,784,702.72

Finding the Fourth Proportional to 186,416,410.28, 257,256,663.52 and 102,784,702.72

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Solution

The fourth proportional to 186,416,410.28, 257,256,663.52 and 102,784,702.72 is: 141,844,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,416,410.28 : 257,256,663.52 = 102,784,702.72 : x
  2. Step 2: Convert to fraction form
    186,416,410.28/257,256,663.52 = 102,784,702.72/x
  3. Step 3: Cross multiply
    186,416,410.28x = 257,256,663.52 × 102,784,702.72
  4. Step 4: Simplify right side
    186,416,410.28x = 26,442,049,682,642,268
  5. Step 5: Solve for x
    x = 26,442,049,682,642,268/186,416,410.28
  6. Step 6: Final answer
    x = 141,844,002.05

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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.