Home / 339,133,400.30-508,700,100.45-83,831,768.30

Finding the Fourth Proportional to 339,133,400.30, 508,700,100.45 and 83,831,768.30

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Solution

The fourth proportional to 339,133,400.30, 508,700,100.45 and 83,831,768.30 is: 125,747,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,133,400.30 : 508,700,100.45 = 83,831,768.30 : x
  2. Step 2: Convert to fraction form
    339,133,400.30/508,700,100.45 = 83,831,768.30/x
  3. Step 3: Cross multiply
    339,133,400.30x = 508,700,100.45 × 83,831,768.30
  4. Step 4: Simplify right side
    339,133,400.30x = 42,645,228,955,111,120
  5. Step 5: Solve for x
    x = 42,645,228,955,111,120/339,133,400.30
  6. Step 6: Final answer
    x = 125,747,652.45

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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.