Home / 112,515,076,509.10-155,265,103,496.19-66,791,306,370.94

Finding the Fourth Proportional to 112,515,076,509.10, 155,265,103,496.19 and 66,791,306,370.94

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Solution

The fourth proportional to 112,515,076,509.10, 155,265,103,496.19 and 66,791,306,370.94 is: 92,168,617,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,515,076,509.10 : 155,265,103,496.19 = 66,791,306,370.94 : x
  2. Step 2: Convert to fraction form
    112,515,076,509.10/155,265,103,496.19 = 66,791,306,370.94/x
  3. Step 3: Cross multiply
    112,515,076,509.10x = 155,265,103,496.19 × 66,791,306,370.94
  4. Step 4: Simplify right side
    112,515,076,509.10x = 10,370,359,096,329,734,455,296
  5. Step 5: Solve for x
    x = 10,370,359,096,329,734,455,296/112,515,076,509.10
  6. Step 6: Final answer
    x = 92,168,617,913.98

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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.