Home / 135,529,373.60-187,046,478.80-80,525,230.08

Finding the Fourth Proportional to 135,529,373.60, 187,046,478.80 and 80,525,230.08

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Solution

The fourth proportional to 135,529,373.60, 187,046,478.80 and 80,525,230.08 is: 111,134,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,529,373.60 : 187,046,478.80 = 80,525,230.08 : x
  2. Step 2: Convert to fraction form
    135,529,373.60/187,046,478.80 = 80,525,230.08/x
  3. Step 3: Cross multiply
    135,529,373.60x = 187,046,478.80 × 80,525,230.08
  4. Step 4: Simplify right side
    135,529,373.60x = 15,061,960,741,023,842
  5. Step 5: Solve for x
    x = 15,061,960,741,023,842/135,529,373.60
  6. Step 6: Final answer
    x = 111,134,290.23

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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.