Home / 108,072,976,858.24-161,881,408,896.72-86,709,763,544.80

Finding the Fourth Proportional to 108,072,976,858.24, 161,881,408,896.72 and 86,709,763,544.80

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Solution

The fourth proportional to 108,072,976,858.24, 161,881,408,896.72 and 86,709,763,544.80 is: 129,881,669,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072,976,858.24 : 161,881,408,896.72 = 86,709,763,544.80 : x
  2. Step 2: Convert to fraction form
    108,072,976,858.24/161,881,408,896.72 = 86,709,763,544.80/x
  3. Step 3: Cross multiply
    108,072,976,858.24x = 161,881,408,896.72 × 86,709,763,544.80
  4. Step 4: Simplify right side
    108,072,976,858.24x = 14,036,698,687,733,674,016,768
  5. Step 5: Solve for x
    x = 14,036,698,687,733,674,016,768/108,072,976,858.24
  6. Step 6: Final answer
    x = 129,881,669,736.42

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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.