Home / 132,107,504.40-198,090,397.80-55,343,804.40

Finding the Fourth Proportional to 132,107,504.40, 198,090,397.80 and 55,343,804.40

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Solution

The fourth proportional to 132,107,504.40, 198,090,397.80 and 55,343,804.40 is: 82,986,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,107,504.40 : 198,090,397.80 = 55,343,804.40 : x
  2. Step 2: Convert to fraction form
    132,107,504.40/198,090,397.80 = 55,343,804.40/x
  3. Step 3: Cross multiply
    132,107,504.40x = 198,090,397.80 × 55,343,804.40
  4. Step 4: Simplify right side
    132,107,504.40x = 10,963,076,229,361,390
  5. Step 5: Solve for x
    x = 10,963,076,229,361,390/132,107,504.40
  6. Step 6: Final answer
    x = 82,986,021.72

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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.