Home / 89,525,954.80-134,288,932.20-82,471,567.60

Finding the Fourth Proportional to 89,525,954.80, 134,288,932.20 and 82,471,567.60

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Solution

The fourth proportional to 89,525,954.80, 134,288,932.20 and 82,471,567.60 is: 123,707,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,525,954.80 : 134,288,932.20 = 82,471,567.60 : x
  2. Step 2: Convert to fraction form
    89,525,954.80/134,288,932.20 = 82,471,567.60/x
  3. Step 3: Cross multiply
    89,525,954.80x = 134,288,932.20 × 82,471,567.60
  4. Step 4: Simplify right side
    89,525,954.80x = 11,075,018,749,864,114
  5. Step 5: Solve for x
    x = 11,075,018,749,864,114/89,525,954.80
  6. Step 6: Final answer
    x = 123,707,351.40

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1.5x scale

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.