Home / 86,075,412.90-129,120,872.98-27,784,472.97

Finding the Fourth Proportional to 86,075,412.90, 129,120,872.98 and 27,784,472.97

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Solution

The fourth proportional to 86,075,412.90, 129,120,872.98 and 27,784,472.97 is: 41,679,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075,412.90 : 129,120,872.98 = 27,784,472.97 : x
  2. Step 2: Convert to fraction form
    86,075,412.90/129,120,872.98 = 27,784,472.97/x
  3. Step 3: Cross multiply
    86,075,412.90x = 129,120,872.98 × 27,784,472.97
  4. Step 4: Simplify right side
    86,075,412.90x = 3,587,555,405,106,152
  5. Step 5: Solve for x
    x = 3,587,555,405,106,152/86,075,412.90
  6. Step 6: Final answer
    x = 41,679,212.27

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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.