Home / 123,431,223.60-185,146,835.40-112,131,459.34

Finding the Fourth Proportional to 123,431,223.60, 185,146,835.40 and 112,131,459.34

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Solution

The fourth proportional to 123,431,223.60, 185,146,835.40 and 112,131,459.34 is: 168,197,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,431,223.60 : 185,146,835.40 = 112,131,459.34 : x
  2. Step 2: Convert to fraction form
    123,431,223.60/185,146,835.40 = 112,131,459.34/x
  3. Step 3: Cross multiply
    123,431,223.60x = 185,146,835.40 × 112,131,459.34
  4. Step 4: Simplify right side
    123,431,223.60x = 20,760,784,845,121,908
  5. Step 5: Solve for x
    x = 20,760,784,845,121,908/123,431,223.60
  6. Step 6: Final answer
    x = 168,197,189.01

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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.