Home / 77,174,661.73-115,673,935.71-31,087,040.24

Finding the Fourth Proportional to 77,174,661.73, 115,673,935.71 and 31,087,040.24

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Solution

The fourth proportional to 77,174,661.73, 115,673,935.71 and 31,087,040.24 is: 46,595,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,174,661.73 : 115,673,935.71 = 31,087,040.24 : x
  2. Step 2: Convert to fraction form
    77,174,661.73/115,673,935.71 = 31,087,040.24/x
  3. Step 3: Cross multiply
    77,174,661.73x = 115,673,935.71 × 31,087,040.24
  4. Step 4: Simplify right side
    77,174,661.73x = 3,595,960,294,425,127.50
  5. Step 5: Solve for x
    x = 3,595,960,294,425,127.50/77,174,661.73
  6. Step 6: Final answer
    x = 46,595,089.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.