Home / 51,468,667.22-77,217,942.90-20,747,392.22

Finding the Fourth Proportional to 51,468,667.22, 77,217,942.90 and 20,747,392.22

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Solution

The fourth proportional to 51,468,667.22, 77,217,942.90 and 20,747,392.22 is: 31,127,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468,667.22 : 77,217,942.90 = 20,747,392.22 : x
  2. Step 2: Convert to fraction form
    51,468,667.22/77,217,942.90 = 20,747,392.22/x
  3. Step 3: Cross multiply
    51,468,667.22x = 77,217,942.90 × 20,747,392.22
  4. Step 4: Simplify right side
    51,468,667.22x = 1,602,070,947,767,864.25
  5. Step 5: Solve for x
    x = 1,602,070,947,767,864.25/51,468,667.22
  6. Step 6: Final answer
    x = 31,127,111.59

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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.