Home / 88,134,010.80-132,201,016.20-86,622,356.40

Finding the Fourth Proportional to 88,134,010.80, 132,201,016.20 and 86,622,356.40

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Solution

The fourth proportional to 88,134,010.80, 132,201,016.20 and 86,622,356.40 is: 129,933,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134,010.80 : 132,201,016.20 = 86,622,356.40 : x
  2. Step 2: Convert to fraction form
    88,134,010.80/132,201,016.20 = 86,622,356.40/x
  3. Step 3: Cross multiply
    88,134,010.80x = 132,201,016.20 × 86,622,356.40
  4. Step 4: Simplify right side
    88,134,010.80x = 11,451,563,541,718,574
  5. Step 5: Solve for x
    x = 11,451,563,541,718,574/88,134,010.80
  6. Step 6: Final answer
    x = 129,933,534.60

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1.5x scale

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.