Home / 339,133,477.80-508,700,216.70-83,831,845.80

Finding the Fourth Proportional to 339,133,477.80, 508,700,216.70 and 83,831,845.80

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Solution

The fourth proportional to 339,133,477.80, 508,700,216.70 and 83,831,845.80 is: 125,747,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,133,477.80 : 508,700,216.70 = 83,831,845.80 : x
  2. Step 2: Convert to fraction form
    339,133,477.80/508,700,216.70 = 83,831,845.80/x
  3. Step 3: Cross multiply
    339,133,477.80x = 508,700,216.70 × 83,831,845.80
  4. Step 4: Simplify right side
    339,133,477.80x = 42,645,278,124,820,984
  5. Step 5: Solve for x
    x = 42,645,278,124,820,984/339,133,477.80
  6. Step 6: Final answer
    x = 125,747,768.70

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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.