Home / 80,475,954.48-111,050,485.38-45,668,644.58

Finding the Fourth Proportional to 80,475,954.48, 111,050,485.38 and 45,668,644.58

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Solution

The fourth proportional to 80,475,954.48, 111,050,485.38 and 45,668,644.58 is: 63,019,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,475,954.48 : 111,050,485.38 = 45,668,644.58 : x
  2. Step 2: Convert to fraction form
    80,475,954.48/111,050,485.38 = 45,668,644.58/x
  3. Step 3: Cross multiply
    80,475,954.48x = 111,050,485.38 × 45,668,644.58
  4. Step 4: Simplify right side
    80,475,954.48x = 5,071,525,146,700,454
  5. Step 5: Solve for x
    x = 5,071,525,146,700,454/80,475,954.48
  6. Step 6: Final answer
    x = 63,019,136.33

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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.