Home / 86,166,166.80-129,312,235.80-60,656,998.80

Finding the Fourth Proportional to 86,166,166.80, 129,312,235.80 and 60,656,998.80

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Solution

The fourth proportional to 86,166,166.80, 129,312,235.80 and 60,656,998.80 is: 91,029,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,166,166.80 : 129,312,235.80 = 60,656,998.80 : x
  2. Step 2: Convert to fraction form
    86,166,166.80/129,312,235.80 = 60,656,998.80/x
  3. Step 3: Cross multiply
    86,166,166.80x = 129,312,235.80 × 60,656,998.80
  4. Step 4: Simplify right side
    86,166,166.80x = 7,843,692,131,745,916
  5. Step 5: Solve for x
    x = 7,843,692,131,745,916/86,166,166.80
  6. Step 6: Final answer
    x = 91,029,837.15

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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.