Home / 86,075,415.65-129,120,877.10-27,784,475.72

Finding the Fourth Proportional to 86,075,415.65, 129,120,877.10 and 27,784,475.72

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Solution

The fourth proportional to 86,075,415.65, 129,120,877.10 and 27,784,475.72 is: 41,679,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,075,415.65 : 129,120,877.10 = 27,784,475.72 : x
  2. Step 2: Convert to fraction form
    86,075,415.65/129,120,877.10 = 27,784,475.72/x
  3. Step 3: Cross multiply
    86,075,415.65x = 129,120,877.10 × 27,784,475.72
  4. Step 4: Simplify right side
    86,075,415.65x = 3,587,555,874,730,053.50
  5. Step 5: Solve for x
    x = 3,587,555,874,730,053.50/86,075,415.65
  6. Step 6: Final answer
    x = 41,679,216.39

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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.