Home / 257,156,684.15-354,905,662.72-144,156,695.97

Finding the Fourth Proportional to 257,156,684.15, 354,905,662.72 and 144,156,695.97

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Solution

The fourth proportional to 257,156,684.15, 354,905,662.72 and 144,156,695.97 is: 198,952,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,156,684.15 : 354,905,662.72 = 144,156,695.97 : x
  2. Step 2: Convert to fraction form
    257,156,684.15/354,905,662.72 = 144,156,695.97/x
  3. Step 3: Cross multiply
    257,156,684.15x = 354,905,662.72 × 144,156,695.97
  4. Step 4: Simplify right side
    257,156,684.15x = 51,162,027,718,594,672
  5. Step 5: Solve for x
    x = 51,162,027,718,594,672/257,156,684.15
  6. Step 6: Final answer
    x = 198,952,743.10

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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.