Home / 151,161,725.58-208,602,669.74-85,082,185.56

Finding the Fourth Proportional to 151,161,725.58, 208,602,669.74 and 85,082,185.56

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Solution

The fourth proportional to 151,161,725.58, 208,602,669.74 and 85,082,185.56 is: 117,413,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,161,725.58 : 208,602,669.74 = 85,082,185.56 : x
  2. Step 2: Convert to fraction form
    151,161,725.58/208,602,669.74 = 85,082,185.56/x
  3. Step 3: Cross multiply
    151,161,725.58x = 208,602,669.74 × 85,082,185.56
  4. Step 4: Simplify right side
    151,161,725.58x = 17,748,371,055,130,078
  5. Step 5: Solve for x
    x = 17,748,371,055,130,078/151,161,725.58
  6. Step 6: Final answer
    x = 117,413,128.14

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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.