Home / 88,571,857.20-132,857,785.80-54,382,340.40

Finding the Fourth Proportional to 88,571,857.20, 132,857,785.80 and 54,382,340.40

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Solution

The fourth proportional to 88,571,857.20, 132,857,785.80 and 54,382,340.40 is: 81,573,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,857.20 : 132,857,785.80 = 54,382,340.40 : x
  2. Step 2: Convert to fraction form
    88,571,857.20/132,857,785.80 = 54,382,340.40/x
  3. Step 3: Cross multiply
    88,571,857.20x = 132,857,785.80 × 54,382,340.40
  4. Step 4: Simplify right side
    88,571,857.20x = 7,225,117,332,165,886
  5. Step 5: Solve for x
    x = 7,225,117,332,165,886/88,571,857.20
  6. Step 6: Final answer
    x = 81,573,510.60

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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.