Home / 130,695,993.74-196,065,286.04-38,589,042.53

Finding the Fourth Proportional to 130,695,993.74, 196,065,286.04 and 38,589,042.53

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Solution

The fourth proportional to 130,695,993.74, 196,065,286.04 and 38,589,042.53 is: 57,889,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,695,993.74 : 196,065,286.04 = 38,589,042.53 : x
  2. Step 2: Convert to fraction form
    130,695,993.74/196,065,286.04 = 38,589,042.53/x
  3. Step 3: Cross multiply
    130,695,993.74x = 196,065,286.04 × 38,589,042.53
  4. Step 4: Simplify right side
    130,695,993.74x = 7,565,971,661,654,175
  5. Step 5: Solve for x
    x = 7,565,971,661,654,175/130,695,993.74
  6. Step 6: Final answer
    x = 57,889,851.44

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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.