Home / 170,753,784.78-235,640,173.33-92,437,280.76

Finding the Fourth Proportional to 170,753,784.78, 235,640,173.33 and 92,437,280.76

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Solution

The fourth proportional to 170,753,784.78, 235,640,173.33 and 92,437,280.76 is: 127,563,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,753,784.78 : 235,640,173.33 = 92,437,280.76 : x
  2. Step 2: Convert to fraction form
    170,753,784.78/235,640,173.33 = 92,437,280.76/x
  3. Step 3: Cross multiply
    170,753,784.78x = 235,640,173.33 × 92,437,280.76
  4. Step 4: Simplify right side
    170,753,784.78x = 21,781,936,859,978,088
  5. Step 5: Solve for x
    x = 21,781,936,859,978,088/170,753,784.78
  6. Step 6: Final answer
    x = 127,563,420.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.