Home / 78,716,131.22-118,075,246.61-27,599,642.66

Finding the Fourth Proportional to 78,716,131.22, 118,075,246.61 and 27,599,642.66

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Solution

The fourth proportional to 78,716,131.22, 118,075,246.61 and 27,599,642.66 is: 41,399,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,716,131.22 : 118,075,246.61 = 27,599,642.66 : x
  2. Step 2: Convert to fraction form
    78,716,131.22/118,075,246.61 = 27,599,642.66/x
  3. Step 3: Cross multiply
    78,716,131.22x = 118,075,246.61 × 27,599,642.66
  4. Step 4: Simplify right side
    78,716,131.22x = 3,258,834,612,699,002
  5. Step 5: Solve for x
    x = 3,258,834,612,699,002/78,716,131.22
  6. Step 6: Final answer
    x = 41,399,832.06

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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.