Home / 105,082,927.80-145,023,404.05-58,682,145.84

Finding the Fourth Proportional to 105,082,927.80, 145,023,404.05 and 58,682,145.84

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Solution

The fourth proportional to 105,082,927.80, 145,023,404.05 and 58,682,145.84 is: 80,986,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,082,927.80 : 145,023,404.05 = 58,682,145.84 : x
  2. Step 2: Convert to fraction form
    105,082,927.80/145,023,404.05 = 58,682,145.84/x
  3. Step 3: Cross multiply
    105,082,927.80x = 145,023,404.05 × 58,682,145.84
  4. Step 4: Simplify right side
    105,082,927.80x = 8,510,284,545,875,068
  5. Step 5: Solve for x
    x = 8,510,284,545,875,068/105,082,927.80
  6. Step 6: Final answer
    x = 80,986,366.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.