Home / 107,772,913.40-161,659,370.10-99,458,814.20

Finding the Fourth Proportional to 107,772,913.40, 161,659,370.10 and 99,458,814.20

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Solution

The fourth proportional to 107,772,913.40, 161,659,370.10 and 99,458,814.20 is: 149,188,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,772,913.40 : 161,659,370.10 = 99,458,814.20 : x
  2. Step 2: Convert to fraction form
    107,772,913.40/161,659,370.10 = 99,458,814.20/x
  3. Step 3: Cross multiply
    107,772,913.40x = 161,659,370.10 × 99,458,814.20
  4. Step 4: Simplify right side
    107,772,913.40x = 16,078,449,254,464,936
  5. Step 5: Solve for x
    x = 16,078,449,254,464,936/107,772,913.40
  6. Step 6: Final answer
    x = 149,188,221.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.