Home / 123,484,455.19-170,408,791.74-67,730,329.41

Finding the Fourth Proportional to 123,484,455.19, 170,408,791.74 and 67,730,329.41

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Solution

The fourth proportional to 123,484,455.19, 170,408,791.74 and 67,730,329.41 is: 93,467,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484,455.19 : 170,408,791.74 = 67,730,329.41 : x
  2. Step 2: Convert to fraction form
    123,484,455.19/170,408,791.74 = 67,730,329.41/x
  3. Step 3: Cross multiply
    123,484,455.19x = 170,408,791.74 × 67,730,329.41
  4. Step 4: Simplify right side
    123,484,455.19x = 11,541,843,598,910,288
  5. Step 5: Solve for x
    x = 11,541,843,598,910,288/123,484,455.19
  6. Step 6: Final answer
    x = 93,467,988.19

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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.