Home / 124,297,029.81-171,534,042.05-67,784,859.11

Finding the Fourth Proportional to 124,297,029.81, 171,534,042.05 and 67,784,859.11

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Solution

The fourth proportional to 124,297,029.81, 171,534,042.05 and 67,784,859.11 is: 93,545,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,297,029.81 : 171,534,042.05 = 67,784,859.11 : x
  2. Step 2: Convert to fraction form
    124,297,029.81/171,534,042.05 = 67,784,859.11/x
  3. Step 3: Cross multiply
    124,297,029.81x = 171,534,042.05 × 67,784,859.11
  4. Step 4: Simplify right side
    124,297,029.81x = 11,627,410,873,017,974
  5. Step 5: Solve for x
    x = 11,627,410,873,017,974/124,297,029.81
  6. Step 6: Final answer
    x = 93,545,363.80

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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.