Home / 88,066,687.90-132,100,031.85-82,397,983.90

Finding the Fourth Proportional to 88,066,687.90, 132,100,031.85 and 82,397,983.90

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Solution

The fourth proportional to 88,066,687.90, 132,100,031.85 and 82,397,983.90 is: 123,596,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,066,687.90 : 132,100,031.85 = 82,397,983.90 : x
  2. Step 2: Convert to fraction form
    88,066,687.90/132,100,031.85 = 82,397,983.90/x
  3. Step 3: Cross multiply
    88,066,687.90x = 132,100,031.85 × 82,397,983.90
  4. Step 4: Simplify right side
    88,066,687.90x = 10,884,776,297,565,788
  5. Step 5: Solve for x
    x = 10,884,776,297,565,788/88,066,687.90
  6. Step 6: Final answer
    x = 123,596,975.85

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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.