Home / 66,121,232.40-99,155,896.20-25,158,916.80

Finding the Fourth Proportional to 66,121,232.40, 99,155,896.20 and 25,158,916.80

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Solution

The fourth proportional to 66,121,232.40, 99,155,896.20 and 25,158,916.80 is: 37,728,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121,232.40 : 99,155,896.20 = 25,158,916.80 : x
  2. Step 2: Convert to fraction form
    66,121,232.40/99,155,896.20 = 25,158,916.80/x
  3. Step 3: Cross multiply
    66,121,232.40x = 99,155,896.20 × 25,158,916.80
  4. Step 4: Simplify right side
    66,121,232.40x = 2,494,654,942,725,236.50
  5. Step 5: Solve for x
    x = 2,494,654,942,725,236.50/66,121,232.40
  6. Step 6: Final answer
    x = 37,728,500.40

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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.