Home / 71,093,658.51-98,112,278.70-39,731,706.59

Finding the Fourth Proportional to 71,093,658.51, 98,112,278.70 and 39,731,706.59

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Solution

The fourth proportional to 71,093,658.51, 98,112,278.70 and 39,731,706.59 is: 54,831,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,093,658.51 : 98,112,278.70 = 39,731,706.59 : x
  2. Step 2: Convert to fraction form
    71,093,658.51/98,112,278.70 = 39,731,706.59/x
  3. Step 3: Cross multiply
    71,093,658.51x = 98,112,278.70 × 39,731,706.59
  4. Step 4: Simplify right side
    71,093,658.51x = 3,898,168,269,694,145.50
  5. Step 5: Solve for x
    x = 3,898,168,269,694,145.50/71,093,658.51
  6. Step 6: Final answer
    x = 54,831,448.42

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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.