Home / 187,630,075.47-281,480,469.17-71,080,340.25

Finding the Fourth Proportional to 187,630,075.47, 281,480,469.17 and 71,080,340.25

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Solution

The fourth proportional to 187,630,075.47, 281,480,469.17 and 71,080,340.25 is: 106,633,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,630,075.47 : 281,480,469.17 = 71,080,340.25 : x
  2. Step 2: Convert to fraction form
    187,630,075.47/281,480,469.17 = 71,080,340.25/x
  3. Step 3: Cross multiply
    187,630,075.47x = 281,480,469.17 × 71,080,340.25
  4. Step 4: Simplify right side
    187,630,075.47x = 20,007,727,521,977,836
  5. Step 5: Solve for x
    x = 20,007,727,521,977,836/187,630,075.47
  6. Step 6: Final answer
    x = 106,633,904.36

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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.