Home / 135,430,624.14-186,910,216.19-80,426,480.64

Finding the Fourth Proportional to 135,430,624.14, 186,910,216.19 and 80,426,480.64

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Solution

The fourth proportional to 135,430,624.14, 186,910,216.19 and 80,426,480.64 is: 110,998,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,430,624.14 : 186,910,216.19 = 80,426,480.64 : x
  2. Step 2: Convert to fraction form
    135,430,624.14/186,910,216.19 = 80,426,480.64/x
  3. Step 3: Cross multiply
    135,430,624.14x = 186,910,216.19 × 80,426,480.64
  4. Step 4: Simplify right side
    135,430,624.14x = 15,032,530,883,421,118
  5. Step 5: Solve for x
    x = 15,032,530,883,421,118/135,430,624.14
  6. Step 6: Final answer
    x = 110,998,018.20

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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.