Home / 252,176,564.20-378,264,846.30-137,385,308.20

Finding the Fourth Proportional to 252,176,564.20, 378,264,846.30 and 137,385,308.20

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Solution

The fourth proportional to 252,176,564.20, 378,264,846.30 and 137,385,308.20 is: 206,077,962.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,176,564.20 : 378,264,846.30 = 137,385,308.20 : x
  2. Step 2: Convert to fraction form
    252,176,564.20/378,264,846.30 = 137,385,308.20/x
  3. Step 3: Cross multiply
    252,176,564.20x = 378,264,846.30 × 137,385,308.20
  4. Step 4: Simplify right side
    252,176,564.20x = 51,968,032,490,151,128
  5. Step 5: Solve for x
    x = 51,968,032,490,151,128/252,176,564.20
  6. Step 6: Final answer
    x = 206,077,962.30

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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.