Home / 300,076,760.70-450,115,141.05-84,666,008.70

Finding the Fourth Proportional to 300,076,760.70, 450,115,141.05 and 84,666,008.70

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Solution

The fourth proportional to 300,076,760.70, 450,115,141.05 and 84,666,008.70 is: 126,999,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,076,760.70 : 450,115,141.05 = 84,666,008.70 : x
  2. Step 2: Convert to fraction form
    300,076,760.70/450,115,141.05 = 84,666,008.70/x
  3. Step 3: Cross multiply
    300,076,760.70x = 450,115,141.05 × 84,666,008.70
  4. Step 4: Simplify right side
    300,076,760.70x = 38,109,452,448,141,032
  5. Step 5: Solve for x
    x = 38,109,452,448,141,032/300,076,760.70
  6. Step 6: Final answer
    x = 126,999,013.05

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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.