Home / 75,451,651.80-113,177,477.70-72,475,582.20

Finding the Fourth Proportional to 75,451,651.80, 113,177,477.70 and 72,475,582.20

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Solution

The fourth proportional to 75,451,651.80, 113,177,477.70 and 72,475,582.20 is: 108,713,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451,651.80 : 113,177,477.70 = 72,475,582.20 : x
  2. Step 2: Convert to fraction form
    75,451,651.80/113,177,477.70 = 72,475,582.20/x
  3. Step 3: Cross multiply
    75,451,651.80x = 113,177,477.70 × 72,475,582.20
  4. Step 4: Simplify right side
    75,451,651.80x = 8,202,603,588,235,017
  5. Step 5: Solve for x
    x = 8,202,603,588,235,017/75,451,651.80
  6. Step 6: Final answer
    x = 108,713,373.30

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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.