Home / 65,270,340.80-90,074,769.12-35,902,429.92

Finding the Fourth Proportional to 65,270,340.80, 90,074,769.12 and 35,902,429.92

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Solution

The fourth proportional to 65,270,340.80, 90,074,769.12 and 35,902,429.92 is: 49,546,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270,340.80 : 90,074,769.12 = 35,902,429.92 : x
  2. Step 2: Convert to fraction form
    65,270,340.80/90,074,769.12 = 35,902,429.92/x
  3. Step 3: Cross multiply
    65,270,340.80x = 90,074,769.12 × 35,902,429.92
  4. Step 4: Simplify right side
    65,270,340.80x = 3,233,903,085,890,980.50
  5. Step 5: Solve for x
    x = 3,233,903,085,890,980.50/65,270,340.80
  6. Step 6: Final answer
    x = 49,546,287.74

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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.