Home / 127,939,651.60-191,909,477.40-125,388,734.80

Finding the Fourth Proportional to 127,939,651.60, 191,909,477.40 and 125,388,734.80

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Solution

The fourth proportional to 127,939,651.60, 191,909,477.40 and 125,388,734.80 is: 188,083,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,651.60 : 191,909,477.40 = 125,388,734.80 : x
  2. Step 2: Convert to fraction form
    127,939,651.60/191,909,477.40 = 125,388,734.80/x
  3. Step 3: Cross multiply
    127,939,651.60x = 191,909,477.40 × 125,388,734.80
  4. Step 4: Simplify right side
    127,939,651.60x = 24,063,286,567,315,192
  5. Step 5: Solve for x
    x = 24,063,286,567,315,192/127,939,651.60
  6. Step 6: Final answer
    x = 188,083,102.20

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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.