Home / 89,861,329,786.63-124,012,533,225.27-49,763,309,175.11

Finding the Fourth Proportional to 89,861,329,786.63, 124,012,533,225.27 and 49,763,309,175.11

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Solution

The fourth proportional to 89,861,329,786.63, 124,012,533,225.27 and 49,763,309,175.11 is: 68,675,525,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,786.63 : 124,012,533,225.27 = 49,763,309,175.11 : x
  2. Step 2: Convert to fraction form
    89,861,329,786.63/124,012,533,225.27 = 49,763,309,175.11/x
  3. Step 3: Cross multiply
    89,861,329,786.63x = 124,012,533,225.27 × 49,763,309,175.11
  4. Step 4: Simplify right side
    89,861,329,786.63x = 6,171,274,032,477,712,154,624
  5. Step 5: Solve for x
    x = 6,171,274,032,477,712,154,624/89,861,329,786.63
  6. Step 6: Final answer
    x = 68,675,525,358.14

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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.