Home / 86,893,798.80-119,914,670.55-47,739,194.22

Finding the Fourth Proportional to 86,893,798.80, 119,914,670.55 and 47,739,194.22

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Solution

The fourth proportional to 86,893,798.80, 119,914,670.55 and 47,739,194.22 is: 65,880,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893,798.80 : 119,914,670.55 = 47,739,194.22 : x
  2. Step 2: Convert to fraction form
    86,893,798.80/119,914,670.55 = 47,739,194.22/x
  3. Step 3: Cross multiply
    86,893,798.80x = 119,914,670.55 × 47,739,194.22
  4. Step 4: Simplify right side
    86,893,798.80x = 5,724,629,747,213,764
  5. Step 5: Solve for x
    x = 5,724,629,747,213,764/86,893,798.80
  6. Step 6: Final answer
    x = 65,880,762.80

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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.