Home / 89,861,329,783.04-124,012,533,220.32-49,763,309,171.52

Finding the Fourth Proportional to 89,861,329,783.04, 124,012,533,220.32 and 49,763,309,171.52

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Solution

The fourth proportional to 89,861,329,783.04, 124,012,533,220.32 and 49,763,309,171.52 is: 68,675,525,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,783.04 : 124,012,533,220.32 = 49,763,309,171.52 : x
  2. Step 2: Convert to fraction form
    89,861,329,783.04/124,012,533,220.32 = 49,763,309,171.52/x
  3. Step 3: Cross multiply
    89,861,329,783.04x = 124,012,533,220.32 × 49,763,309,171.52
  4. Step 4: Simplify right side
    89,861,329,783.04x = 6,171,274,031,786,178,379,776
  5. Step 5: Solve for x
    x = 6,171,274,031,786,178,379,776/89,861,329,783.04
  6. Step 6: Final answer
    x = 68,675,525,353.19

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1.5x scale

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.