Home / 151,161,718.35-208,602,659.73-85,082,178.33

Finding the Fourth Proportional to 151,161,718.35, 208,602,659.73 and 85,082,178.33

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Solution

The fourth proportional to 151,161,718.35, 208,602,659.73 and 85,082,178.33 is: 117,413,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161,718.35 : 208,602,659.73 = 85,082,178.33 : x
  2. Step 2: Convert to fraction form
    151,161,718.35/208,602,659.73 = 85,082,178.33/x
  3. Step 3: Cross multiply
    151,161,718.35x = 208,602,659.73 × 85,082,178.33
  4. Step 4: Simplify right side
    151,161,718.35x = 17,748,368,695,260,168
  5. Step 5: Solve for x
    x = 17,748,368,695,260,168/151,161,718.35
  6. Step 6: Final answer
    x = 117,413,118.14

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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.