Home / 107,868,443.20-161,802,664.80-71,588,737.60

Finding the Fourth Proportional to 107,868,443.20, 161,802,664.80 and 71,588,737.60

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Solution

The fourth proportional to 107,868,443.20, 161,802,664.80 and 71,588,737.60 is: 107,383,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,868,443.20 : 161,802,664.80 = 71,588,737.60 : x
  2. Step 2: Convert to fraction form
    107,868,443.20/161,802,664.80 = 71,588,737.60/x
  3. Step 3: Cross multiply
    107,868,443.20x = 161,802,664.80 × 71,588,737.60
  4. Step 4: Simplify right side
    107,868,443.20x = 11,583,248,513,347,956
  5. Step 5: Solve for x
    x = 11,583,248,513,347,956/107,868,443.20
  6. Step 6: Final answer
    x = 107,383,106.40

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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.