Home / 339,133,442.80-508,700,164.20-83,831,810.80

Finding the Fourth Proportional to 339,133,442.80, 508,700,164.20 and 83,831,810.80

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Solution

The fourth proportional to 339,133,442.80, 508,700,164.20 and 83,831,810.80 is: 125,747,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,133,442.80 : 508,700,164.20 = 83,831,810.80 : x
  2. Step 2: Convert to fraction form
    339,133,442.80/508,700,164.20 = 83,831,810.80/x
  3. Step 3: Cross multiply
    339,133,442.80x = 508,700,164.20 × 83,831,810.80
  4. Step 4: Simplify right side
    339,133,442.80x = 42,645,255,919,143,328
  5. Step 5: Solve for x
    x = 42,645,255,919,143,328/339,133,442.80
  6. Step 6: Final answer
    x = 125,747,716.20

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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.