Home / 190,137,185.58-285,225,112.80-65,623,609.20

Finding the Fourth Proportional to 190,137,185.58, 285,225,112.80 and 65,623,609.20

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Solution

The fourth proportional to 190,137,185.58, 285,225,112.80 and 65,623,609.20 is: 98,442,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,137,185.58 : 285,225,112.80 = 65,623,609.20 : x
  2. Step 2: Convert to fraction form
    190,137,185.58/285,225,112.80 = 65,623,609.20/x
  3. Step 3: Cross multiply
    190,137,185.58x = 285,225,112.80 × 65,623,609.20
  4. Step 4: Simplify right side
    190,137,185.58x = 18,717,501,336,413,120
  5. Step 5: Solve for x
    x = 18,717,501,336,413,120/190,137,185.58
  6. Step 6: Final answer
    x = 98,442,086.85

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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.