Home / 70,420,550.49-97,068,073.86-55,511,561.41

Finding the Fourth Proportional to 70,420,550.49, 97,068,073.86 and 55,511,561.41

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Solution

The fourth proportional to 70,420,550.49, 97,068,073.86 and 55,511,561.41 is: 76,517,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,420,550.49 : 97,068,073.86 = 55,511,561.41 : x
  2. Step 2: Convert to fraction form
    70,420,550.49/97,068,073.86 = 55,511,561.41/x
  3. Step 3: Cross multiply
    70,420,550.49x = 97,068,073.86 × 55,511,561.41
  4. Step 4: Simplify right side
    70,420,550.49x = 5,388,400,343,029,805
  5. Step 5: Solve for x
    x = 5,388,400,343,029,805/70,420,550.49
  6. Step 6: Final answer
    x = 76,517,441.37

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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.