Home / 207,328,658.37-286,111,664.94-113,242,785.74

Finding the Fourth Proportional to 207,328,658.37, 286,111,664.94 and 113,242,785.74

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Solution

The fourth proportional to 207,328,658.37, 286,111,664.94 and 113,242,785.74 is: 156,274,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,328,658.37 : 286,111,664.94 = 113,242,785.74 : x
  2. Step 2: Convert to fraction form
    207,328,658.37/286,111,664.94 = 113,242,785.74/x
  3. Step 3: Cross multiply
    207,328,658.37x = 286,111,664.94 × 113,242,785.74
  4. Step 4: Simplify right side
    207,328,658.37x = 32,400,081,969,516,704
  5. Step 5: Solve for x
    x = 32,400,081,969,516,704/207,328,658.37
  6. Step 6: Final answer
    x = 156,274,015.49

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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.