Home / 145,103,157.69-217,439,500.80-106,576,342.40

Finding the Fourth Proportional to 145,103,157.69, 217,439,500.80 and 106,576,342.40

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Solution

The fourth proportional to 145,103,157.69, 217,439,500.80 and 106,576,342.40 is: 159,706,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,103,157.69 : 217,439,500.80 = 106,576,342.40 : x
  2. Step 2: Convert to fraction form
    145,103,157.69/217,439,500.80 = 106,576,342.40/x
  3. Step 3: Cross multiply
    145,103,157.69x = 217,439,500.80 × 106,576,342.40
  4. Step 4: Simplify right side
    145,103,157.69x = 23,173,906,687,458,676
  5. Step 5: Solve for x
    x = 23,173,906,687,458,676/145,103,157.69
  6. Step 6: Final answer
    x = 159,706,425.80

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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.