Home / 88,134,004.80-132,201,007.20-86,622,350.40

Finding the Fourth Proportional to 88,134,004.80, 132,201,007.20 and 86,622,350.40

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Solution

The fourth proportional to 88,134,004.80, 132,201,007.20 and 86,622,350.40 is: 129,933,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134,004.80 : 132,201,007.20 = 86,622,350.40 : x
  2. Step 2: Convert to fraction form
    88,134,004.80/132,201,007.20 = 86,622,350.40/x
  3. Step 3: Cross multiply
    88,134,004.80x = 132,201,007.20 × 86,622,350.40
  4. Step 4: Simplify right side
    88,134,004.80x = 11,451,561,968,911,324
  5. Step 5: Solve for x
    x = 11,451,561,968,911,324/88,134,004.80
  6. Step 6: Final answer
    x = 129,933,525.60

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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.