Home / 134,438,633.72-185,520,963.67-77,161,754.76

Finding the Fourth Proportional to 134,438,633.72, 185,520,963.67 and 77,161,754.76

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Solution

The fourth proportional to 134,438,633.72, 185,520,963.67 and 77,161,754.76 is: 106,480,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438,633.72 : 185,520,963.67 = 77,161,754.76 : x
  2. Step 2: Convert to fraction form
    134,438,633.72/185,520,963.67 = 77,161,754.76/x
  3. Step 3: Cross multiply
    134,438,633.72x = 185,520,963.67 × 77,161,754.76
  4. Step 4: Simplify right side
    134,438,633.72x = 14,315,123,100,654,800
  5. Step 5: Solve for x
    x = 14,315,123,100,654,800/134,438,633.72
  6. Step 6: Final answer
    x = 106,480,724.36

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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.