Home / 140,106,146.44-209,976,905.85-57,011,040.43

Finding the Fourth Proportional to 140,106,146.44, 209,976,905.85 and 57,011,040.43

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Solution

The fourth proportional to 140,106,146.44, 209,976,905.85 and 57,011,040.43 is: 85,442,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,106,146.44 : 209,976,905.85 = 57,011,040.43 : x
  2. Step 2: Convert to fraction form
    140,106,146.44/209,976,905.85 = 57,011,040.43/x
  3. Step 3: Cross multiply
    140,106,146.44x = 209,976,905.85 × 57,011,040.43
  4. Step 4: Simplify right side
    140,106,146.44x = 11,971,001,868,780,654
  5. Step 5: Solve for x
    x = 11,971,001,868,780,654/140,106,146.44
  6. Step 6: Final answer
    x = 85,442,374.75

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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.