Home / 89,861,329,782.54-124,012,533,219.63-49,763,309,171.02

Finding the Fourth Proportional to 89,861,329,782.54, 124,012,533,219.63 and 49,763,309,171.02

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Solution

The fourth proportional to 89,861,329,782.54, 124,012,533,219.63 and 49,763,309,171.02 is: 68,675,525,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,782.54 : 124,012,533,219.63 = 49,763,309,171.02 : x
  2. Step 2: Convert to fraction form
    89,861,329,782.54/124,012,533,219.63 = 49,763,309,171.02/x
  3. Step 3: Cross multiply
    89,861,329,782.54x = 124,012,533,219.63 × 49,763,309,171.02
  4. Step 4: Simplify right side
    89,861,329,782.54x = 6,171,274,031,689,836,265,472
  5. Step 5: Solve for x
    x = 6,171,274,031,689,836,265,472/89,861,329,782.54
  6. Step 6: Final answer
    x = 68,675,525,352.50

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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.