Home / 84,431,881,584.39-126,669,259,284.92-39,085,281,903.62

Finding the Fourth Proportional to 84,431,881,584.39, 126,669,259,284.92 and 39,085,281,903.62

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Solution

The fourth proportional to 84,431,881,584.39, 126,669,259,284.92 and 39,085,281,903.62 is: 58,637,846,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431,881,584.39 : 126,669,259,284.92 = 39,085,281,903.62 : x
  2. Step 2: Convert to fraction form
    84,431,881,584.39/126,669,259,284.92 = 39,085,281,903.62/x
  3. Step 3: Cross multiply
    84,431,881,584.39x = 126,669,259,284.92 × 39,085,281,903.62
  4. Step 4: Simplify right side
    84,431,881,584.39x = 4,950,903,707,674,086,473,728
  5. Step 5: Solve for x
    x = 4,950,903,707,674,086,473,728/84,431,881,584.39
  6. Step 6: Final answer
    x = 58,637,846,448.16

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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.