Home / 125,901,200-188,643,018.56-76,567,833.44

Finding the Fourth Proportional to 125,901,200, 188,643,018.56 and 76,567,833.44

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Solution

The fourth proportional to 125,901,200, 188,643,018.56 and 76,567,833.44 is: 114,724,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,901,200 : 188,643,018.56 = 76,567,833.44 : x
  2. Step 2: Convert to fraction form
    125,901,200/188,643,018.56 = 76,567,833.44/x
  3. Step 3: Cross multiply
    125,901,200x = 188,643,018.56 × 76,567,833.44
  4. Step 4: Simplify right side
    125,901,200x = 14,443,987,224,720,908
  5. Step 5: Solve for x
    x = 14,443,987,224,720,908/125,901,200
  6. Step 6: Final answer
    x = 114,724,778.04

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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.