Home / 89,861,329,786.85-124,012,533,225.59-49,763,309,175.35

Finding the Fourth Proportional to 89,861,329,786.85, 124,012,533,225.59 and 49,763,309,175.35

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Solution

The fourth proportional to 89,861,329,786.85, 124,012,533,225.59 and 49,763,309,175.35 is: 68,675,525,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,786.85 : 124,012,533,225.59 = 49,763,309,175.35 : x
  2. Step 2: Convert to fraction form
    89,861,329,786.85/124,012,533,225.59 = 49,763,309,175.35/x
  3. Step 3: Cross multiply
    89,861,329,786.85x = 124,012,533,225.59 × 49,763,309,175.35
  4. Step 4: Simplify right side
    89,861,329,786.85x = 6,171,274,032,523,399,659,520
  5. Step 5: Solve for x
    x = 6,171,274,032,523,399,659,520/89,861,329,786.85
  6. Step 6: Final answer
    x = 68,675,525,358.48

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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.