Home / 107,788,166.20-161,705,868.90-53,226,890.20

Finding the Fourth Proportional to 107,788,166.20, 161,705,868.90 and 53,226,890.20

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Solution

The fourth proportional to 107,788,166.20, 161,705,868.90 and 53,226,890.20 is: 79,851,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788,166.20 : 161,705,868.90 = 53,226,890.20 : x
  2. Step 2: Convert to fraction form
    107,788,166.20/161,705,868.90 = 53,226,890.20/x
  3. Step 3: Cross multiply
    107,788,166.20x = 161,705,868.90 × 53,226,890.20
  4. Step 4: Simplify right side
    107,788,166.20x = 8,607,100,528,635,896
  5. Step 5: Solve for x
    x = 8,607,100,528,635,896/107,788,166.20
  6. Step 6: Final answer
    x = 79,851,998.90

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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.