Home / 132,971,750.40-199,457,625.60-127,596,979.20

Finding the Fourth Proportional to 132,971,750.40, 199,457,625.60 and 127,596,979.20

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Solution

The fourth proportional to 132,971,750.40, 199,457,625.60 and 127,596,979.20 is: 191,395,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,971,750.40 : 199,457,625.60 = 127,596,979.20 : x
  2. Step 2: Convert to fraction form
    132,971,750.40/199,457,625.60 = 127,596,979.20/x
  3. Step 3: Cross multiply
    132,971,750.40x = 199,457,625.60 × 127,596,979.20
  4. Step 4: Simplify right side
    132,971,750.40x = 25,450,190,504,964,588
  5. Step 5: Solve for x
    x = 25,450,190,504,964,588/132,971,750.40
  6. Step 6: Final answer
    x = 191,395,468.80

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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.