Home / 125,649,904.80-188,492,571.90-39,379,315.80

Finding the Fourth Proportional to 125,649,904.80, 188,492,571.90 and 39,379,315.80

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Solution

The fourth proportional to 125,649,904.80, 188,492,571.90 and 39,379,315.80 is: 59,074,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,649,904.80 : 188,492,571.90 = 39,379,315.80 : x
  2. Step 2: Convert to fraction form
    125,649,904.80/188,492,571.90 = 39,379,315.80/x
  3. Step 3: Cross multiply
    125,649,904.80x = 188,492,571.90 × 39,379,315.80
  4. Step 4: Simplify right side
    125,649,904.80x = 7,422,708,514,804,306
  5. Step 5: Solve for x
    x = 7,422,708,514,804,306/125,649,904.80
  6. Step 6: Final answer
    x = 59,074,525.58

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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.