Home / 252,072,001.20-378,108,001.80-149,783,386.80

Finding the Fourth Proportional to 252,072,001.20, 378,108,001.80 and 149,783,386.80

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Solution

The fourth proportional to 252,072,001.20, 378,108,001.80 and 149,783,386.80 is: 224,675,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,072,001.20 : 378,108,001.80 = 149,783,386.80 : x
  2. Step 2: Convert to fraction form
    252,072,001.20/378,108,001.80 = 149,783,386.80/x
  3. Step 3: Cross multiply
    252,072,001.20x = 378,108,001.80 × 149,783,386.80
  4. Step 4: Simplify right side
    252,072,001.20x = 56,634,297,085,784,504
  5. Step 5: Solve for x
    x = 56,634,297,085,784,504/252,072,001.20
  6. Step 6: Final answer
    x = 224,675,080.20

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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.