Home / 112,515,076,508.10-155,265,103,494.81-66,791,306,369.94

Finding the Fourth Proportional to 112,515,076,508.10, 155,265,103,494.81 and 66,791,306,369.94

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Solution

The fourth proportional to 112,515,076,508.10, 155,265,103,494.81 and 66,791,306,369.94 is: 92,168,617,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,515,076,508.10 : 155,265,103,494.81 = 66,791,306,369.94 : x
  2. Step 2: Convert to fraction form
    112,515,076,508.10/155,265,103,494.81 = 66,791,306,369.94/x
  3. Step 3: Cross multiply
    112,515,076,508.10x = 155,265,103,494.81 × 66,791,306,369.94
  4. Step 4: Simplify right side
    112,515,076,508.10x = 10,370,359,096,082,295,685,120
  5. Step 5: Solve for x
    x = 10,370,359,096,082,295,685,120/112,515,076,508.10
  6. Step 6: Final answer
    x = 92,168,617,912.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.