Home / 84,431,881,584.82-126,669,259,285.57-39,085,281,904.06

Finding the Fourth Proportional to 84,431,881,584.82, 126,669,259,285.57 and 39,085,281,904.06

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Solution

The fourth proportional to 84,431,881,584.82, 126,669,259,285.57 and 39,085,281,904.06 is: 58,637,846,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431,881,584.82 : 126,669,259,285.57 = 39,085,281,904.06 : x
  2. Step 2: Convert to fraction form
    84,431,881,584.82/126,669,259,285.57 = 39,085,281,904.06/x
  3. Step 3: Cross multiply
    84,431,881,584.82x = 126,669,259,285.57 × 39,085,281,904.06
  4. Step 4: Simplify right side
    84,431,881,584.82x = 4,950,903,707,754,973,626,368
  5. Step 5: Solve for x
    x = 4,950,903,707,754,973,626,368/84,431,881,584.82
  6. Step 6: Final answer
    x = 58,637,846,448.81

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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.