Home / 77,701,243.07-107,227,057.77-42,893,186.18

Finding the Fourth Proportional to 77,701,243.07, 107,227,057.77 and 42,893,186.18

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Solution

The fourth proportional to 77,701,243.07, 107,227,057.77 and 42,893,186.18 is: 59,192,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,701,243.07 : 107,227,057.77 = 42,893,186.18 : x
  2. Step 2: Convert to fraction form
    77,701,243.07/107,227,057.77 = 42,893,186.18/x
  3. Step 3: Cross multiply
    77,701,243.07x = 107,227,057.77 × 42,893,186.18
  4. Step 4: Simplify right side
    77,701,243.07x = 4,599,310,151,926,090
  5. Step 5: Solve for x
    x = 4,599,310,151,926,090/77,701,243.07
  6. Step 6: Final answer
    x = 59,192,233.87

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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.