Home / 117,875,817.60-161,490,654.44-113,457,742.26

Finding the Fourth Proportional to 117,875,817.60, 161,490,654.44 and 113,457,742.26

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Solution

The fourth proportional to 117,875,817.60, 161,490,654.44 and 113,457,742.26 is: 155,437,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,875,817.60 : 161,490,654.44 = 113,457,742.26 : x
  2. Step 2: Convert to fraction form
    117,875,817.60/161,490,654.44 = 113,457,742.26/x
  3. Step 3: Cross multiply
    117,875,817.60x = 161,490,654.44 × 113,457,742.26
  4. Step 4: Simplify right side
    117,875,817.60x = 18,322,365,048,852,244
  5. Step 5: Solve for x
    x = 18,322,365,048,852,244/117,875,817.60
  6. Step 6: Final answer
    x = 155,437,861.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.