Home / 272,893,304.97-409,295,113.01-97,980,128.64

Finding the Fourth Proportional to 272,893,304.97, 409,295,113.01 and 97,980,128.64

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Solution

The fourth proportional to 272,893,304.97, 409,295,113.01 and 97,980,128.64 is: 146,954,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,893,304.97 : 409,295,113.01 = 97,980,128.64 : x
  2. Step 2: Convert to fraction form
    272,893,304.97/409,295,113.01 = 97,980,128.64/x
  3. Step 3: Cross multiply
    272,893,304.97x = 409,295,113.01 × 97,980,128.64
  4. Step 4: Simplify right side
    272,893,304.97x = 40,102,787,824,443,136
  5. Step 5: Solve for x
    x = 40,102,787,824,443,136/272,893,304.97
  6. Step 6: Final answer
    x = 146,954,091.93

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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.