Home / 99,526,551.20-149,289,826.80-82,520,439.20

Finding the Fourth Proportional to 99,526,551.20, 149,289,826.80 and 82,520,439.20

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Solution

The fourth proportional to 99,526,551.20, 149,289,826.80 and 82,520,439.20 is: 123,780,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,526,551.20 : 149,289,826.80 = 82,520,439.20 : x
  2. Step 2: Convert to fraction form
    99,526,551.20/149,289,826.80 = 82,520,439.20/x
  3. Step 3: Cross multiply
    99,526,551.20x = 149,289,826.80 × 82,520,439.20
  4. Step 4: Simplify right side
    99,526,551.20x = 12,319,462,075,627,932
  5. Step 5: Solve for x
    x = 12,319,462,075,627,932/99,526,551.20
  6. Step 6: Final answer
    x = 123,780,658.80

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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.