Home / 151,161,727.58-208,602,672.50-85,082,187.56

Finding the Fourth Proportional to 151,161,727.58, 208,602,672.50 and 85,082,187.56

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Solution

The fourth proportional to 151,161,727.58, 208,602,672.50 and 85,082,187.56 is: 117,413,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161,727.58 : 208,602,672.50 = 85,082,187.56 : x
  2. Step 2: Convert to fraction form
    151,161,727.58/208,602,672.50 = 85,082,187.56/x
  3. Step 3: Cross multiply
    151,161,727.58x = 208,602,672.50 × 85,082,187.56
  4. Step 4: Simplify right side
    151,161,727.58x = 17,748,371,707,162,254
  5. Step 5: Solve for x
    x = 17,748,371,707,162,254/151,161,727.58
  6. Step 6: Final answer
    x = 117,413,130.90

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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.