Home / 141,783,331.38-212,712,803.01-50,907,707.70

Finding the Fourth Proportional to 141,783,331.38, 212,712,803.01 and 50,907,707.70

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Solution

The fourth proportional to 141,783,331.38, 212,712,803.01 and 50,907,707.70 is: 76,375,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,783,331.38 : 212,712,803.01 = 50,907,707.70 : x
  2. Step 2: Convert to fraction form
    141,783,331.38/212,712,803.01 = 50,907,707.70/x
  3. Step 3: Cross multiply
    141,783,331.38x = 212,712,803.01 × 50,907,707.70
  4. Step 4: Simplify right side
    141,783,331.38x = 10,828,721,199,680,760
  5. Step 5: Solve for x
    x = 10,828,721,199,680,760/141,783,331.38
  6. Step 6: Final answer
    x = 76,375,135.88

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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.