Home / 115,907,793.60-173,861,690.40-103,814,558.40

Finding the Fourth Proportional to 115,907,793.60, 173,861,690.40 and 103,814,558.40

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Solution

The fourth proportional to 115,907,793.60, 173,861,690.40 and 103,814,558.40 is: 155,721,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,907,793.60 : 173,861,690.40 = 103,814,558.40 : x
  2. Step 2: Convert to fraction form
    115,907,793.60/173,861,690.40 = 103,814,558.40/x
  3. Step 3: Cross multiply
    115,907,793.60x = 173,861,690.40 × 103,814,558.40
  4. Step 4: Simplify right side
    115,907,793.60x = 18,049,374,611,553,520
  5. Step 5: Solve for x
    x = 18,049,374,611,553,520/115,907,793.60
  6. Step 6: Final answer
    x = 155,721,837.60

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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.