Home / 86,957,706.67-120,001,884.43-49,788,557.06

Finding the Fourth Proportional to 86,957,706.67, 120,001,884.43 and 49,788,557.06

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Solution

The fourth proportional to 86,957,706.67, 120,001,884.43 and 49,788,557.06 is: 68,708,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,957,706.67 : 120,001,884.43 = 49,788,557.06 : x
  2. Step 2: Convert to fraction form
    86,957,706.67/120,001,884.43 = 49,788,557.06/x
  3. Step 3: Cross multiply
    86,957,706.67x = 120,001,884.43 × 49,788,557.06
  4. Step 4: Simplify right side
    86,957,706.67x = 5,974,720,670,250,581
  5. Step 5: Solve for x
    x = 5,974,720,670,250,581/86,957,706.67
  6. Step 6: Final answer
    x = 68,708,351.44

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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.