Home / 85,698,249.26-118,299,776.10-57,858,674

Finding the Fourth Proportional to 85,698,249.26, 118,299,776.10 and 57,858,674

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Solution

The fourth proportional to 85,698,249.26, 118,299,776.10 and 57,858,674 is: 79,869,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,698,249.26 : 118,299,776.10 = 57,858,674 : x
  2. Step 2: Convert to fraction form
    85,698,249.26/118,299,776.10 = 57,858,674/x
  3. Step 3: Cross multiply
    85,698,249.26x = 118,299,776.10 × 57,858,674
  4. Step 4: Simplify right side
    85,698,249.26x = 6,844,668,179,642,891
  5. Step 5: Solve for x
    x = 6,844,668,179,642,891/85,698,249.26
  6. Step 6: Final answer
    x = 79,869,405.02

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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.