Home / 77,329,006.09-106,713,219.72-57,571,115.11

Finding the Fourth Proportional to 77,329,006.09, 106,713,219.72 and 57,571,115.11

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Solution

The fourth proportional to 77,329,006.09, 106,713,219.72 and 57,571,115.11 is: 79,447,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,329,006.09 : 106,713,219.72 = 57,571,115.11 : x
  2. Step 2: Convert to fraction form
    77,329,006.09/106,713,219.72 = 57,571,115.11/x
  3. Step 3: Cross multiply
    77,329,006.09x = 106,713,219.72 × 57,571,115.11
  4. Step 4: Simplify right side
    77,329,006.09x = 6,143,599,056,258,842
  5. Step 5: Solve for x
    x = 6,143,599,056,258,842/77,329,006.09
  6. Step 6: Final answer
    x = 79,447,536.79

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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.