Home / 119,139,655,416.90-164,406,782,340.83-67,691,419,520.17

Finding the Fourth Proportional to 119,139,655,416.90, 164,406,782,340.83 and 67,691,419,520.17

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Solution

The fourth proportional to 119,139,655,416.90, 164,406,782,340.83 and 67,691,419,520.17 is: 93,410,782,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,139,655,416.90 : 164,406,782,340.83 = 67,691,419,520.17 : x
  2. Step 2: Convert to fraction form
    119,139,655,416.90/164,406,782,340.83 = 67,691,419,520.17/x
  3. Step 3: Cross multiply
    119,139,655,416.90x = 164,406,782,340.83 × 67,691,419,520.17
  4. Step 4: Simplify right side
    119,139,655,416.90x = 11,128,928,475,394,399,535,104
  5. Step 5: Solve for x
    x = 11,128,928,475,394,399,535,104/119,139,655,416.90
  6. Step 6: Final answer
    x = 93,410,782,803.19

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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.