Home / 245,471,341.32-338,757,632.64-133,969,333.68

Finding the Fourth Proportional to 245,471,341.32, 338,757,632.64 and 133,969,333.68

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Solution

The fourth proportional to 245,471,341.32, 338,757,632.64 and 133,969,333.68 is: 184,881,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471,341.32 : 338,757,632.64 = 133,969,333.68 : x
  2. Step 2: Convert to fraction form
    245,471,341.32/338,757,632.64 = 133,969,333.68/x
  3. Step 3: Cross multiply
    245,471,341.32x = 338,757,632.64 × 133,969,333.68
  4. Step 4: Simplify right side
    245,471,341.32x = 45,383,134,323,795,016
  5. Step 5: Solve for x
    x = 45,383,134,323,795,016/245,471,341.32
  6. Step 6: Final answer
    x = 184,881,599.94

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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.