Home / 76,688,676,611.45-115,033,014,917.17-58,092,493,139.45

Finding the Fourth Proportional to 76,688,676,611.45, 115,033,014,917.17 and 58,092,493,139.45

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Solution

The fourth proportional to 76,688,676,611.45, 115,033,014,917.17 and 58,092,493,139.45 is: 87,138,739,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,676,611.45 : 115,033,014,917.17 = 58,092,493,139.45 : x
  2. Step 2: Convert to fraction form
    76,688,676,611.45/115,033,014,917.17 = 58,092,493,139.45/x
  3. Step 3: Cross multiply
    76,688,676,611.45x = 115,033,014,917.17 × 58,092,493,139.45
  4. Step 4: Simplify right side
    76,688,676,611.45x = 6,682,554,629,885,947,543,552
  5. Step 5: Solve for x
    x = 6,682,554,629,885,947,543,552/76,688,676,611.45
  6. Step 6: Final answer
    x = 87,138,739,709.17

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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.