Home / 114,138,665.68-171,107,221.56-87,331,994.32

Finding the Fourth Proportional to 114,138,665.68, 171,107,221.56 and 87,331,994.32

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Solution

The fourth proportional to 114,138,665.68, 171,107,221.56 and 87,331,994.32 is: 130,920,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,138,665.68 : 171,107,221.56 = 87,331,994.32 : x
  2. Step 2: Convert to fraction form
    114,138,665.68/171,107,221.56 = 87,331,994.32/x
  3. Step 3: Cross multiply
    114,138,665.68x = 171,107,221.56 × 87,331,994.32
  4. Step 4: Simplify right side
    114,138,665.68x = 14,943,134,901,388,900
  5. Step 5: Solve for x
    x = 14,943,134,901,388,900/114,138,665.68
  6. Step 6: Final answer
    x = 130,920,883.05

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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.