Home / 80,476,328.99-111,060,013.59-45,200,341.03

Finding the Fourth Proportional to 80,476,328.99, 111,060,013.59 and 45,200,341.03

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Solution

The fourth proportional to 80,476,328.99, 111,060,013.59 and 45,200,341.03 is: 62,377,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476,328.99 : 111,060,013.59 = 45,200,341.03 : x
  2. Step 2: Convert to fraction form
    80,476,328.99/111,060,013.59 = 45,200,341.03/x
  3. Step 3: Cross multiply
    80,476,328.99x = 111,060,013.59 × 45,200,341.03
  4. Step 4: Simplify right side
    80,476,328.99x = 5,019,950,489,064,435
  5. Step 5: Solve for x
    x = 5,019,950,489,064,435/80,476,328.99
  6. Step 6: Final answer
    x = 62,377,975.64

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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.