Home / 71,937,081.60-107,905,622.40-64,378,809.60

Finding the Fourth Proportional to 71,937,081.60, 107,905,622.40 and 64,378,809.60

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Solution

The fourth proportional to 71,937,081.60, 107,905,622.40 and 64,378,809.60 is: 96,568,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,937,081.60 : 107,905,622.40 = 64,378,809.60 : x
  2. Step 2: Convert to fraction form
    71,937,081.60/107,905,622.40 = 64,378,809.60/x
  3. Step 3: Cross multiply
    71,937,081.60x = 107,905,622.40 × 64,378,809.60
  4. Step 4: Simplify right side
    71,937,081.60x = 6,946,835,519,259,096
  5. Step 5: Solve for x
    x = 6,946,835,519,259,096/71,937,081.60
  6. Step 6: Final answer
    x = 96,568,214.40

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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.