Home / 89,542,403.80-134,313,605.70-70,058,858.20

Finding the Fourth Proportional to 89,542,403.80, 134,313,605.70 and 70,058,858.20

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Solution

The fourth proportional to 89,542,403.80, 134,313,605.70 and 70,058,858.20 is: 105,088,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542,403.80 : 134,313,605.70 = 70,058,858.20 : x
  2. Step 2: Convert to fraction form
    89,542,403.80/134,313,605.70 = 70,058,858.20/x
  3. Step 3: Cross multiply
    89,542,403.80x = 134,313,605.70 × 70,058,858.20
  4. Step 4: Simplify right side
    89,542,403.80x = 9,409,857,856,067,012
  5. Step 5: Solve for x
    x = 9,409,857,856,067,012/89,542,403.80
  6. Step 6: Final answer
    x = 105,088,287.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.