Home / 135,515,476.36-187,010,950.26-73,636,003.72

Finding the Fourth Proportional to 135,515,476.36, 187,010,950.26 and 73,636,003.72

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Solution

The fourth proportional to 135,515,476.36, 187,010,950.26 and 73,636,003.72 is: 101,617,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,515,476.36 : 187,010,950.26 = 73,636,003.72 : x
  2. Step 2: Convert to fraction form
    135,515,476.36/187,010,950.26 = 73,636,003.72/x
  3. Step 3: Cross multiply
    135,515,476.36x = 187,010,950.26 × 73,636,003.72
  4. Step 4: Simplify right side
    135,515,476.36x = 13,770,739,029,026,094
  5. Step 5: Solve for x
    x = 13,770,739,029,026,094/135,515,476.36
  6. Step 6: Final answer
    x = 101,617,463.92

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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.