Home / 123,484,451.54-170,408,786.70-67,730,325.77

Finding the Fourth Proportional to 123,484,451.54, 170,408,786.70 and 67,730,325.77

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Solution

The fourth proportional to 123,484,451.54, 170,408,786.70 and 67,730,325.77 is: 93,467,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,484,451.54 : 170,408,786.70 = 67,730,325.77 : x
  2. Step 2: Convert to fraction form
    123,484,451.54/170,408,786.70 = 67,730,325.77/x
  3. Step 3: Cross multiply
    123,484,451.54x = 170,408,786.70 × 67,730,325.77
  4. Step 4: Simplify right side
    123,484,451.54x = 11,541,842,636,409,398
  5. Step 5: Solve for x
    x = 11,541,842,636,409,398/123,484,451.54
  6. Step 6: Final answer
    x = 93,467,983.16

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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.