Home / 111,224,511.80-166,836,767.70-65,762,905.40

Finding the Fourth Proportional to 111,224,511.80, 166,836,767.70 and 65,762,905.40

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Solution

The fourth proportional to 111,224,511.80, 166,836,767.70 and 65,762,905.40 is: 98,644,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,224,511.80 : 166,836,767.70 = 65,762,905.40 : x
  2. Step 2: Convert to fraction form
    111,224,511.80/166,836,767.70 = 65,762,905.40/x
  3. Step 3: Cross multiply
    111,224,511.80x = 166,836,767.70 × 65,762,905.40
  4. Step 4: Simplify right side
    111,224,511.80x = 10,971,670,571,496,874
  5. Step 5: Solve for x
    x = 10,971,670,571,496,874/111,224,511.80
  6. Step 6: Final answer
    x = 98,644,358.10

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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.