Home / 255,137,548.40-382,395,407.60-132,248,115.71

Finding the Fourth Proportional to 255,137,548.40, 382,395,407.60 and 132,248,115.71

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Solution

The fourth proportional to 255,137,548.40, 382,395,407.60 and 132,248,115.71 is: 198,211,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,137,548.40 : 382,395,407.60 = 132,248,115.71 : x
  2. Step 2: Convert to fraction form
    255,137,548.40/382,395,407.60 = 132,248,115.71/x
  3. Step 3: Cross multiply
    255,137,548.40x = 382,395,407.60 × 132,248,115.71
  4. Step 4: Simplify right side
    255,137,548.40x = 50,571,072,109,676,056
  5. Step 5: Solve for x
    x = 50,571,072,109,676,056/255,137,548.40
  6. Step 6: Final answer
    x = 198,211,013.74

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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.