Home / 86,904,028.80-130,356,043.20-46,593,244.80

Finding the Fourth Proportional to 86,904,028.80, 130,356,043.20 and 46,593,244.80

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Solution

The fourth proportional to 86,904,028.80, 130,356,043.20 and 46,593,244.80 is: 69,889,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904,028.80 : 130,356,043.20 = 46,593,244.80 : x
  2. Step 2: Convert to fraction form
    86,904,028.80/130,356,043.20 = 46,593,244.80/x
  3. Step 3: Cross multiply
    86,904,028.80x = 130,356,043.20 × 46,593,244.80
  4. Step 4: Simplify right side
    86,904,028.80x = 6,073,711,031,976,975
  5. Step 5: Solve for x
    x = 6,073,711,031,976,975/86,904,028.80
  6. Step 6: Final answer
    x = 69,889,867.20

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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.