Home / 77,174,661.23-115,673,934.96-31,087,039.75

Finding the Fourth Proportional to 77,174,661.23, 115,673,934.96 and 31,087,039.75

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Solution

The fourth proportional to 77,174,661.23, 115,673,934.96 and 31,087,039.75 is: 46,595,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,174,661.23 : 115,673,934.96 = 31,087,039.75 : x
  2. Step 2: Convert to fraction form
    77,174,661.23/115,673,934.96 = 31,087,039.75/x
  3. Step 3: Cross multiply
    77,174,661.23x = 115,673,934.96 × 31,087,039.75
  4. Step 4: Simplify right side
    77,174,661.23x = 3,595,960,213,562,065
  5. Step 5: Solve for x
    x = 3,595,960,213,562,065/77,174,661.23
  6. Step 6: Final answer
    x = 46,595,089.06

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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.