Home / 127,584,128.80-191,376,193.20-126,828,301.60

Finding the Fourth Proportional to 127,584,128.80, 191,376,193.20 and 126,828,301.60

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Solution

The fourth proportional to 127,584,128.80, 191,376,193.20 and 126,828,301.60 is: 190,242,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584,128.80 : 191,376,193.20 = 126,828,301.60 : x
  2. Step 2: Convert to fraction form
    127,584,128.80/191,376,193.20 = 126,828,301.60/x
  3. Step 3: Cross multiply
    127,584,128.80x = 191,376,193.20 × 126,828,301.60
  4. Step 4: Simplify right side
    127,584,128.80x = 24,271,917,550,229,468
  5. Step 5: Solve for x
    x = 24,271,917,550,229,468/127,584,128.80
  6. Step 6: Final answer
    x = 190,242,452.40

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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.