Home / 138,108,154,190.14-190,587,241,018.83-77,141,388,936.70

Finding the Fourth Proportional to 138,108,154,190.14, 190,587,241,018.83 and 77,141,388,936.70

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Solution

The fourth proportional to 138,108,154,190.14, 190,587,241,018.83 and 77,141,388,936.70 is: 106,453,993,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,108,154,190.14 : 190,587,241,018.83 = 77,141,388,936.70 : x
  2. Step 2: Convert to fraction form
    138,108,154,190.14/190,587,241,018.83 = 77,141,388,936.70/x
  3. Step 3: Cross multiply
    138,108,154,190.14x = 190,587,241,018.83 × 77,141,388,936.70
  4. Step 4: Simplify right side
    138,108,154,190.14x = 14,702,164,485,806,147,764,224
  5. Step 5: Solve for x
    x = 14,702,164,485,806,147,764,224/138,108,154,190.14
  6. Step 6: Final answer
    x = 106,453,993,046.38

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Double scale
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1.5x scale

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.