Home / 89,861,329,792.63-124,012,533,233.55-49,763,309,181.13

Finding the Fourth Proportional to 89,861,329,792.63, 124,012,533,233.55 and 49,763,309,181.13

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Solution

The fourth proportional to 89,861,329,792.63, 124,012,533,233.55 and 49,763,309,181.13 is: 68,675,525,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,792.63 : 124,012,533,233.55 = 49,763,309,181.13 : x
  2. Step 2: Convert to fraction form
    89,861,329,792.63/124,012,533,233.55 = 49,763,309,181.13/x
  3. Step 3: Cross multiply
    89,861,329,792.63x = 124,012,533,233.55 × 49,763,309,181.13
  4. Step 4: Simplify right side
    89,861,329,792.63x = 6,171,274,033,636,307,894,272
  5. Step 5: Solve for x
    x = 6,171,274,033,636,307,894,272/89,861,329,792.63
  6. Step 6: Final answer
    x = 68,675,525,366.45

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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.