Home / 137,183,412.83-189,308,040.41-74,458,164.06

Finding the Fourth Proportional to 137,183,412.83, 189,308,040.41 and 74,458,164.06

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Solution

The fourth proportional to 137,183,412.83, 189,308,040.41 and 74,458,164.06 is: 102,749,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,183,412.83 : 189,308,040.41 = 74,458,164.06 : x
  2. Step 2: Convert to fraction form
    137,183,412.83/189,308,040.41 = 74,458,164.06/x
  3. Step 3: Cross multiply
    137,183,412.83x = 189,308,040.41 × 74,458,164.06
  4. Step 4: Simplify right side
    137,183,412.83x = 14,095,529,130,201,130
  5. Step 5: Solve for x
    x = 14,095,529,130,201,130/137,183,412.83
  6. Step 6: Final answer
    x = 102,749,514.97

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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.