Home / 77,329,006.59-106,713,220.41-57,571,115.61

Finding the Fourth Proportional to 77,329,006.59, 106,713,220.41 and 57,571,115.61

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Solution

The fourth proportional to 77,329,006.59, 106,713,220.41 and 57,571,115.61 is: 79,447,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,329,006.59 : 106,713,220.41 = 57,571,115.61 : x
  2. Step 2: Convert to fraction form
    77,329,006.59/106,713,220.41 = 57,571,115.61/x
  3. Step 3: Cross multiply
    77,329,006.59x = 106,713,220.41 × 57,571,115.61
  4. Step 4: Simplify right side
    77,329,006.59x = 6,143,599,149,339,521
  5. Step 5: Solve for x
    x = 6,143,599,149,339,521/77,329,006.59
  6. Step 6: Final answer
    x = 79,447,537.48

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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.