Home / 86,075,439.48-129,120,912.90-27,784,499.58

Finding the Fourth Proportional to 86,075,439.48, 129,120,912.90 and 27,784,499.58

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Solution

The fourth proportional to 86,075,439.48, 129,120,912.90 and 27,784,499.58 is: 41,679,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075,439.48 : 129,120,912.90 = 27,784,499.58 : x
  2. Step 2: Convert to fraction form
    86,075,439.48/129,120,912.90 = 27,784,499.58/x
  3. Step 3: Cross multiply
    86,075,439.48x = 129,120,912.90 × 27,784,499.58
  4. Step 4: Simplify right side
    86,075,439.48x = 3,587,559,950,239,266.50
  5. Step 5: Solve for x
    x = 3,587,559,950,239,266.50/86,075,439.48
  6. Step 6: Final answer
    x = 41,679,252.20

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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.