Home / 137,780,896.46-190,137,553.28-75,901,235.02

Finding the Fourth Proportional to 137,780,896.46, 190,137,553.28 and 75,901,235.02

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Solution

The fourth proportional to 137,780,896.46, 190,137,553.28 and 75,901,235.02 is: 104,743,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,780,896.46 : 190,137,553.28 = 75,901,235.02 : x
  2. Step 2: Convert to fraction form
    137,780,896.46/190,137,553.28 = 75,901,235.02/x
  3. Step 3: Cross multiply
    137,780,896.46x = 190,137,553.28 × 75,901,235.02
  4. Step 4: Simplify right side
    137,780,896.46x = 14,431,675,117,633,052
  5. Step 5: Solve for x
    x = 14,431,675,117,633,052/137,780,896.46
  6. Step 6: Final answer
    x = 104,743,658.14

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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.