Home / 51,742,677-77,667,848.70-38,111,215.56

Finding the Fourth Proportional to 51,742,677, 77,667,848.70 and 38,111,215.56

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Solution

The fourth proportional to 51,742,677, 77,667,848.70 and 38,111,215.56 is: 57,206,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,677 : 77,667,848.70 = 38,111,215.56 : x
  2. Step 2: Convert to fraction form
    51,742,677/77,667,848.70 = 38,111,215.56/x
  3. Step 3: Cross multiply
    51,742,677x = 77,667,848.70 × 38,111,215.56
  4. Step 4: Simplify right side
    51,742,677x = 2,960,016,123,887,166
  5. Step 5: Solve for x
    x = 2,960,016,123,887,166/51,742,677
  6. Step 6: Final answer
    x = 57,206,474.34

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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.