Home / 123,897,743.40-185,846,615.10-75,524,802.60

Finding the Fourth Proportional to 123,897,743.40, 185,846,615.10 and 75,524,802.60

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Solution

The fourth proportional to 123,897,743.40, 185,846,615.10 and 75,524,802.60 is: 113,287,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,897,743.40 : 185,846,615.10 = 75,524,802.60 : x
  2. Step 2: Convert to fraction form
    123,897,743.40/185,846,615.10 = 75,524,802.60/x
  3. Step 3: Cross multiply
    123,897,743.40x = 185,846,615.10 × 75,524,802.60
  4. Step 4: Simplify right side
    123,897,743.40x = 14,036,028,919,305,678
  5. Step 5: Solve for x
    x = 14,036,028,919,305,678/123,897,743.40
  6. Step 6: Final answer
    x = 113,287,203.90

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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.