Home / 115,918,489.60-173,877,734.40-107,159,603.20

Finding the Fourth Proportional to 115,918,489.60, 173,877,734.40 and 107,159,603.20

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Solution

The fourth proportional to 115,918,489.60, 173,877,734.40 and 107,159,603.20 is: 160,739,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,489.60 : 173,877,734.40 = 107,159,603.20 : x
  2. Step 2: Convert to fraction form
    115,918,489.60/173,877,734.40 = 107,159,603.20/x
  3. Step 3: Cross multiply
    115,918,489.60x = 173,877,734.40 × 107,159,603.20
  4. Step 4: Simplify right side
    115,918,489.60x = 18,632,669,023,618,992
  5. Step 5: Solve for x
    x = 18,632,669,023,618,992/115,918,489.60
  6. Step 6: Final answer
    x = 160,739,404.80

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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.