Home / 64,683,378.40-97,025,067.60-53,204,252.80

Finding the Fourth Proportional to 64,683,378.40, 97,025,067.60 and 53,204,252.80

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Solution

The fourth proportional to 64,683,378.40, 97,025,067.60 and 53,204,252.80 is: 79,806,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,683,378.40 : 97,025,067.60 = 53,204,252.80 : x
  2. Step 2: Convert to fraction form
    64,683,378.40/97,025,067.60 = 53,204,252.80/x
  3. Step 3: Cross multiply
    64,683,378.40x = 97,025,067.60 × 53,204,252.80
  4. Step 4: Simplify right side
    64,683,378.40x = 5,162,146,224,527,489
  5. Step 5: Solve for x
    x = 5,162,146,224,527,489/64,683,378.40
  6. Step 6: Final answer
    x = 79,806,379.20

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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.