Home / 89,170,430,456.56-123,055,214,116.08-49,072,409,845.06

Finding the Fourth Proportional to 89,170,430,456.56, 123,055,214,116.08 and 49,072,409,845.06

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Solution

The fourth proportional to 89,170,430,456.56, 123,055,214,116.08 and 49,072,409,845.06 is: 67,719,936,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,170,430,456.56 : 123,055,214,116.08 = 49,072,409,845.06 : x
  2. Step 2: Convert to fraction form
    89,170,430,456.56/123,055,214,116.08 = 49,072,409,845.06/x
  3. Step 3: Cross multiply
    89,170,430,456.56x = 123,055,214,116.08 × 49,072,409,845.06
  4. Step 4: Simplify right side
    89,170,430,456.56x = 6,038,615,900,675,889,954,816
  5. Step 5: Solve for x
    x = 6,038,615,900,675,889,954,816/89,170,430,456.56
  6. Step 6: Final answer
    x = 67,719,936,639.96

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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.