Home / 310,076,628.52-465,090,535.75-135,195,535.48

Finding the Fourth Proportional to 310,076,628.52, 465,090,535.75 and 135,195,535.48

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Solution

The fourth proportional to 310,076,628.52, 465,090,535.75 and 135,195,535.48 is: 202,782,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,076,628.52 : 465,090,535.75 = 135,195,535.48 : x
  2. Step 2: Convert to fraction form
    310,076,628.52/465,090,535.75 = 135,195,535.48/x
  3. Step 3: Cross multiply
    310,076,628.52x = 465,090,535.75 × 135,195,535.48
  4. Step 4: Simplify right side
    310,076,628.52x = 62,878,164,027,401,328
  5. Step 5: Solve for x
    x = 62,878,164,027,401,328/310,076,628.52
  6. Step 6: Final answer
    x = 202,782,661.59

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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.