Home / 43,680,015.60-65,520,023.40-43,113,145.20

Finding the Fourth Proportional to 43,680,015.60, 65,520,023.40 and 43,113,145.20

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Solution

The fourth proportional to 43,680,015.60, 65,520,023.40 and 43,113,145.20 is: 64,669,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680,015.60 : 65,520,023.40 = 43,113,145.20 : x
  2. Step 2: Convert to fraction form
    43,680,015.60/65,520,023.40 = 43,113,145.20/x
  3. Step 3: Cross multiply
    43,680,015.60x = 65,520,023.40 × 43,113,145.20
  4. Step 4: Simplify right side
    43,680,015.60x = 2,824,774,282,351,598
  5. Step 5: Solve for x
    x = 2,824,774,282,351,598/43,680,015.60
  6. Step 6: Final answer
    x = 64,669,717.80

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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.