Home / 127,872,410.40-191,808,615.60-126,976,615.20

Finding the Fourth Proportional to 127,872,410.40, 191,808,615.60 and 126,976,615.20

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Solution

The fourth proportional to 127,872,410.40, 191,808,615.60 and 126,976,615.20 is: 190,464,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,410.40 : 191,808,615.60 = 126,976,615.20 : x
  2. Step 2: Convert to fraction form
    127,872,410.40/191,808,615.60 = 126,976,615.20/x
  3. Step 3: Cross multiply
    127,872,410.40x = 191,808,615.60 × 126,976,615.20
  4. Step 4: Simplify right side
    127,872,410.40x = 24,355,208,775,085,916
  5. Step 5: Solve for x
    x = 24,355,208,775,085,916/127,872,410.40
  6. Step 6: Final answer
    x = 190,464,922.80

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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.