Home / 86,075,352.74-129,120,782.77-27,784,412.71

Finding the Fourth Proportional to 86,075,352.74, 129,120,782.77 and 27,784,412.71

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Solution

The fourth proportional to 86,075,352.74, 129,120,782.77 and 27,784,412.71 is: 41,679,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075,352.74 : 129,120,782.77 = 27,784,412.71 : x
  2. Step 2: Convert to fraction form
    86,075,352.74/129,120,782.77 = 27,784,412.71/x
  3. Step 3: Cross multiply
    86,075,352.74x = 129,120,782.77 × 27,784,412.71
  4. Step 4: Simplify right side
    86,075,352.74x = 3,587,545,117,631,865.50
  5. Step 5: Solve for x
    x = 3,587,545,117,631,865.50/86,075,352.74
  6. Step 6: Final answer
    x = 41,679,121.88

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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.