Home / 51,742,748.12-77,667,955.16-38,111,286.48

Finding the Fourth Proportional to 51,742,748.12, 77,667,955.16 and 38,111,286.48

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Solution

The fourth proportional to 51,742,748.12, 77,667,955.16 and 38,111,286.48 is: 57,206,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,748.12 : 77,667,955.16 = 38,111,286.48 : x
  2. Step 2: Convert to fraction form
    51,742,748.12/77,667,955.16 = 38,111,286.48/x
  3. Step 3: Cross multiply
    51,742,748.12x = 77,667,955.16 × 38,111,286.48
  4. Step 4: Simplify right side
    51,742,748.12x = 2,960,025,689,418,554
  5. Step 5: Solve for x
    x = 2,960,025,689,418,554/51,742,748.12
  6. Step 6: Final answer
    x = 57,206,580.57

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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.