Home / 308,957,636.10-463,735,052.55-155,776,656.90

Finding the Fourth Proportional to 308,957,636.10, 463,735,052.55 and 155,776,656.90

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Solution

The fourth proportional to 308,957,636.10, 463,735,052.55 and 155,776,656.90 is: 233,815,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,957,636.10 : 463,735,052.55 = 155,776,656.90 : x
  2. Step 2: Convert to fraction form
    308,957,636.10/463,735,052.55 = 155,776,656.90/x
  3. Step 3: Cross multiply
    308,957,636.10x = 463,735,052.55 × 155,776,656.90
  4. Step 4: Simplify right side
    308,957,636.10x = 72,239,096,173,584,832
  5. Step 5: Solve for x
    x = 72,239,096,173,584,832/308,957,636.10
  6. Step 6: Final answer
    x = 233,815,538.87

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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.