Home / 107,285,694.59-148,106,742.63-71,990,871.64

Finding the Fourth Proportional to 107,285,694.59, 148,106,742.63 and 71,990,871.64

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Solution

The fourth proportional to 107,285,694.59, 148,106,742.63 and 71,990,871.64 is: 99,382,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,285,694.59 : 148,106,742.63 = 71,990,871.64 : x
  2. Step 2: Convert to fraction form
    107,285,694.59/148,106,742.63 = 71,990,871.64/x
  3. Step 3: Cross multiply
    107,285,694.59x = 148,106,742.63 × 71,990,871.64
  4. Step 4: Simplify right side
    107,285,694.59x = 10,662,333,496,954,312
  5. Step 5: Solve for x
    x = 10,662,333,496,954,312/107,285,694.59
  6. Step 6: Final answer
    x = 99,382,620.75

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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.