Home / 71,081,898.03-98,093,222.82-39,721,128.82

Finding the Fourth Proportional to 71,081,898.03, 98,093,222.82 and 39,721,128.82

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Solution

The fourth proportional to 71,081,898.03, 98,093,222.82 and 39,721,128.82 is: 54,815,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,081,898.03 : 98,093,222.82 = 39,721,128.82 : x
  2. Step 2: Convert to fraction form
    71,081,898.03/98,093,222.82 = 39,721,128.82/x
  3. Step 3: Cross multiply
    71,081,898.03x = 98,093,222.82 × 39,721,128.82
  4. Step 4: Simplify right side
    71,081,898.03x = 3,896,373,539,783,232
  5. Step 5: Solve for x
    x = 3,896,373,539,783,232/71,081,898.03
  6. Step 6: Final answer
    x = 54,815,271.50

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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.