Home / 125,830,018.32-188,751,753.84-39,575,151.12

Finding the Fourth Proportional to 125,830,018.32, 188,751,753.84 and 39,575,151.12

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Solution

The fourth proportional to 125,830,018.32, 188,751,753.84 and 39,575,151.12 is: 59,364,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,830,018.32 : 188,751,753.84 = 39,575,151.12 : x
  2. Step 2: Convert to fraction form
    125,830,018.32/188,751,753.84 = 39,575,151.12/x
  3. Step 3: Cross multiply
    125,830,018.32x = 188,751,753.84 × 39,575,151.12
  4. Step 4: Simplify right side
    125,830,018.32x = 7,469,879,182,383,040
  5. Step 5: Solve for x
    x = 7,469,879,182,383,040/125,830,018.32
  6. Step 6: Final answer
    x = 59,364,842.21

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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.