Home / 80,795,185.65-111,498,069.65-45,990,117.45

Finding the Fourth Proportional to 80,795,185.65, 111,498,069.65 and 45,990,117.45

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Solution

The fourth proportional to 80,795,185.65, 111,498,069.65 and 45,990,117.45 is: 63,466,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,795,185.65 : 111,498,069.65 = 45,990,117.45 : x
  2. Step 2: Convert to fraction form
    80,795,185.65/111,498,069.65 = 45,990,117.45/x
  3. Step 3: Cross multiply
    80,795,185.65x = 111,498,069.65 × 45,990,117.45
  4. Step 4: Simplify right side
    80,795,185.65x = 5,127,809,318,421,830
  5. Step 5: Solve for x
    x = 5,127,809,318,421,830/80,795,185.65
  6. Step 6: Final answer
    x = 63,466,768.19

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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.