Home / 207,333,800.82-286,118,944.43-113,248,007.72

Finding the Fourth Proportional to 207,333,800.82, 286,118,944.43 and 113,248,007.72

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Solution

The fourth proportional to 207,333,800.82, 286,118,944.43 and 113,248,007.72 is: 156,281,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,333,800.82 : 286,118,944.43 = 113,248,007.72 : x
  2. Step 2: Convert to fraction form
    207,333,800.82/286,118,944.43 = 113,248,007.72/x
  3. Step 3: Cross multiply
    207,333,800.82x = 286,118,944.43 × 113,248,007.72
  4. Step 4: Simplify right side
    207,333,800.82x = 32,402,400,427,646,892
  5. Step 5: Solve for x
    x = 32,402,400,427,646,892/207,333,800.82
  6. Step 6: Final answer
    x = 156,281,321.71

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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.