Home / 65,112,912.45-89,852,519.30-38,652,397.29

Finding the Fourth Proportional to 65,112,912.45, 89,852,519.30 and 38,652,397.29

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Solution

The fourth proportional to 65,112,912.45, 89,852,519.30 and 38,652,397.29 is: 53,338,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,112,912.45 : 89,852,519.30 = 38,652,397.29 : x
  2. Step 2: Convert to fraction form
    65,112,912.45/89,852,519.30 = 38,652,397.29/x
  3. Step 3: Cross multiply
    65,112,912.45x = 89,852,519.30 × 38,652,397.29
  4. Step 4: Simplify right side
    65,112,912.45x = 3,473,015,273,297,730.50
  5. Step 5: Solve for x
    x = 3,473,015,273,297,730.50/65,112,912.45
  6. Step 6: Final answer
    x = 53,338,349.38

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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.