Home / 81,297,206.88-112,187,242.80-46,014,254.88

Finding the Fourth Proportional to 81,297,206.88, 112,187,242.80 and 46,014,254.88

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Solution

The fourth proportional to 81,297,206.88, 112,187,242.80 and 46,014,254.88 is: 63,498,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,297,206.88 : 112,187,242.80 = 46,014,254.88 : x
  2. Step 2: Convert to fraction form
    81,297,206.88/112,187,242.80 = 46,014,254.88/x
  3. Step 3: Cross multiply
    81,297,206.88x = 112,187,242.80 × 46,014,254.88
  4. Step 4: Simplify right side
    81,297,206.88x = 5,162,212,384,483,645
  5. Step 5: Solve for x
    x = 5,162,212,384,483,645/81,297,206.88
  6. Step 6: Final answer
    x = 63,498,028.81

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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.