Home / 170,813,139.40-256,219,709.10-162,876,953.80

Finding the Fourth Proportional to 170,813,139.40, 256,219,709.10 and 162,876,953.80

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Solution

The fourth proportional to 170,813,139.40, 256,219,709.10 and 162,876,953.80 is: 244,315,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,813,139.40 : 256,219,709.10 = 162,876,953.80 : x
  2. Step 2: Convert to fraction form
    170,813,139.40/256,219,709.10 = 162,876,953.80/x
  3. Step 3: Cross multiply
    170,813,139.40x = 256,219,709.10 × 162,876,953.80
  4. Step 4: Simplify right side
    170,813,139.40x = 41,732,285,721,730,144
  5. Step 5: Solve for x
    x = 41,732,285,721,730,144/170,813,139.40
  6. Step 6: Final answer
    x = 244,315,430.70

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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.