Home / 68,995,475,999.80-103,493,213,999.70-57,217,893,134.20

Finding the Fourth Proportional to 68,995,475,999.80, 103,493,213,999.70 and 57,217,893,134.20

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Solution

The fourth proportional to 68,995,475,999.80, 103,493,213,999.70 and 57,217,893,134.20 is: 85,826,839,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,995,475,999.80 : 103,493,213,999.70 = 57,217,893,134.20 : x
  2. Step 2: Convert to fraction form
    68,995,475,999.80/103,493,213,999.70 = 57,217,893,134.20/x
  3. Step 3: Cross multiply
    68,995,475,999.80x = 103,493,213,999.70 × 57,217,893,134.20
  4. Step 4: Simplify right side
    68,995,475,999.80x = 5,921,663,658,749,725,769,728
  5. Step 5: Solve for x
    x = 5,921,663,658,749,725,769,728/68,995,475,999.80
  6. Step 6: Final answer
    x = 85,826,839,701.30

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1.5x scale

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.