Home / 125,413,866.88-188,102,552.40-39,132,200.32

Finding the Fourth Proportional to 125,413,866.88, 188,102,552.40 and 39,132,200.32

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Solution

The fourth proportional to 125,413,866.88, 188,102,552.40 and 39,132,200.32 is: 58,692,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,413,866.88 : 188,102,552.40 = 39,132,200.32 : x
  2. Step 2: Convert to fraction form
    125,413,866.88/188,102,552.40 = 39,132,200.32/x
  3. Step 3: Cross multiply
    125,413,866.88x = 188,102,552.40 × 39,132,200.32
  4. Step 4: Simplify right side
    125,413,866.88x = 7,360,866,761,220,097
  5. Step 5: Solve for x
    x = 7,360,866,761,220,097/125,413,866.88
  6. Step 6: Final answer
    x = 58,692,606.68

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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.