Home / 151,161,719.35-208,602,661.11-85,082,179.33

Finding the Fourth Proportional to 151,161,719.35, 208,602,661.11 and 85,082,179.33

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Solution

The fourth proportional to 151,161,719.35, 208,602,661.11 and 85,082,179.33 is: 117,413,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161,719.35 : 208,602,661.11 = 85,082,179.33 : x
  2. Step 2: Convert to fraction form
    151,161,719.35/208,602,661.11 = 85,082,179.33/x
  3. Step 3: Cross multiply
    151,161,719.35x = 208,602,661.11 × 85,082,179.33
  4. Step 4: Simplify right side
    151,161,719.35x = 17,748,369,021,276,238
  5. Step 5: Solve for x
    x = 17,748,369,021,276,238/151,161,719.35
  6. Step 6: Final answer
    x = 117,413,119.52

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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.