Home / 107,750,328.40-161,726,969.40-56,669,006.80

Finding the Fourth Proportional to 107,750,328.40, 161,726,969.40 and 56,669,006.80

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Solution

The fourth proportional to 107,750,328.40, 161,726,969.40 and 56,669,006.80 is: 85,056,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,750,328.40 : 161,726,969.40 = 56,669,006.80 : x
  2. Step 2: Convert to fraction form
    107,750,328.40/161,726,969.40 = 56,669,006.80/x
  3. Step 3: Cross multiply
    107,750,328.40x = 161,726,969.40 × 56,669,006.80
  4. Step 4: Simplify right side
    107,750,328.40x = 9,164,906,728,671,992
  5. Step 5: Solve for x
    x = 9,164,906,728,671,992/107,750,328.40
  6. Step 6: Final answer
    x = 85,056,879.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.