Home / 140,680,189.60-194,139,801.53-77,957,335.27

Finding the Fourth Proportional to 140,680,189.60, 194,139,801.53 and 77,957,335.27

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Solution

The fourth proportional to 140,680,189.60, 194,139,801.53 and 77,957,335.27 is: 107,581,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680,189.60 : 194,139,801.53 = 77,957,335.27 : x
  2. Step 2: Convert to fraction form
    140,680,189.60/194,139,801.53 = 77,957,335.27/x
  3. Step 3: Cross multiply
    140,680,189.60x = 194,139,801.53 × 77,957,335.27
  4. Step 4: Simplify right side
    140,680,189.60x = 15,134,621,596,494,892
  5. Step 5: Solve for x
    x = 15,134,621,596,494,892/140,680,189.60
  6. Step 6: Final answer
    x = 107,581,754.33

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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.