Home / 151,788,233.84-209,467,795.47-82,174,186.76

Finding the Fourth Proportional to 151,788,233.84, 209,467,795.47 and 82,174,186.76

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Solution

The fourth proportional to 151,788,233.84, 209,467,795.47 and 82,174,186.76 is: 113,400,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,788,233.84 : 209,467,795.47 = 82,174,186.76 : x
  2. Step 2: Convert to fraction form
    151,788,233.84/209,467,795.47 = 82,174,186.76/x
  3. Step 3: Cross multiply
    151,788,233.84x = 209,467,795.47 × 82,174,186.76
  4. Step 4: Simplify right side
    151,788,233.84x = 17,212,845,745,157,264
  5. Step 5: Solve for x
    x = 17,212,845,745,157,264/151,788,233.84
  6. Step 6: Final answer
    x = 113,400,395.47

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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.