Home / 171,396,533.29-257,060,426.45-83,920,360.54

Finding the Fourth Proportional to 171,396,533.29, 257,060,426.45 and 83,920,360.54

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Solution

The fourth proportional to 171,396,533.29, 257,060,426.45 and 83,920,360.54 is: 125,863,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,396,533.29 : 257,060,426.45 = 83,920,360.54 : x
  2. Step 2: Convert to fraction form
    171,396,533.29/257,060,426.45 = 83,920,360.54/x
  3. Step 3: Cross multiply
    171,396,533.29x = 257,060,426.45 × 83,920,360.54
  4. Step 4: Simplify right side
    171,396,533.29x = 21,572,603,667,669,628
  5. Step 5: Solve for x
    x = 21,572,603,667,669,628/171,396,533.29
  6. Step 6: Final answer
    x = 125,863,710.62

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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.